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121148497 = 1034312729
BaseRepresentation
bin1110011100010…
…01010001010001
322102221222111101
413032021101101
5222003222442
620004344401
73000513421
oct716112121
9272858441
10121148497
1162426728
12346a5101
131c139902
1412138481
15a980cb7
hex7389451

121148497 has 8 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 119650080.

The previous prime is 121148479. The next prime is 121148509. The reversal of 121148497 is 794841121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121148497 - 211 = 121146449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121148437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43029 + ... + 45757.

It is an arithmetic number, because the mean of its divisors is an integer number (15331680).

Almost surely, 2121148497 is an apocalyptic number.

It is an amenable number.

121148497 is a deficient number, since it is larger than the sum of its proper divisors (1504943).

121148497 is a wasteful number, since it uses less digits than its factorization.

121148497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263.

The product of its digits is 16128, while the sum is 37.

The square root of 121148497 is about 11006.7477939671. The cubic root of 121148497 is about 494.8109974624.

The spelling of 121148497 in words is "one hundred twenty-one million, one hundred forty-eight thousand, four hundred ninety-seven".

Divisors: 1 103 431 2729 44393 281087 1176199 121148497