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121412607 = 32343151271
BaseRepresentation
bin1110011110010…
…01101111111111
322110110101210020
413033021233333
5222040200412
620014143223
73002663421
oct717115777
9273411706
10121412607
11625970a8
12347b1b13
131c1ccba4
14121a6811
15a9d418c
hex73c9bff

121412607 has 32 divisors (see below), whose sum is σ = 174637056. Its totient is φ = 74844000.

The previous prime is 121412597. The next prime is 121412617. The reversal of 121412607 is 706214121.

It is an interprime number because it is at equal distance from previous prime (121412597) and next prime (121412617).

It is not a de Polignac number, because 121412607 - 24 = 121412591 is a prime.

It is a super-2 number, since 2×1214126072 = 29482042277072898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121412617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447882 + ... + 448152.

It is an arithmetic number, because the mean of its divisors is an integer number (5457408).

Almost surely, 2121412607 is an apocalyptic number.

121412607 is a deficient number, since it is larger than the sum of its proper divisors (53224449).

121412607 is a wasteful number, since it uses less digits than its factorization.

121412607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 121412607 is about 11018.7389024334. The cubic root of 121412607 is about 495.1703076871.

Adding to 121412607 its reverse (706214121), we get a palindrome (827626728).

The spelling of 121412607 in words is "one hundred twenty-one million, four hundred twelve thousand, six hundred seven".

Divisors: 1 3 23 43 69 129 151 271 453 813 989 2967 3473 6233 6493 10419 11653 18699 19479 34959 40921 122763 149339 268019 448017 804057 941183 1759603 2823549 5278809 40470869 121412607