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121122301 = 2331257661
BaseRepresentation
bin1110011100000…
…10110111111101
322102220122120011
413032002313331
5222001403201
620004023221
73000344146
oct716026775
9272818504
10121122301
1162408a83
1234691b11
131c12aa01
141212cacd
15a978151
hex7382dfd

121122301 has 16 divisors (see below), whose sum is σ = 131171328. Its totient is φ = 111513600.

The previous prime is 121122293. The next prime is 121122307. The reversal of 121122301 is 103221121.

It is a cyclic number.

It is not a de Polignac number, because 121122301 - 23 = 121122293 is a prime.

It is a super-2 number, since 2×1211223012 = 29341223599069202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182911 + ... + 183571.

It is an arithmetic number, because the mean of its divisors is an integer number (8198208).

Almost surely, 2121122301 is an apocalyptic number.

It is an amenable number.

121122301 is a deficient number, since it is larger than the sum of its proper divisors (10049027).

121122301 is a wasteful number, since it uses less digits than its factorization.

121122301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121122301 is about 11005.5577323460. The cubic root of 121122301 is about 494.7753304818.

Adding to 121122301 its reverse (103221121), we get a palindrome (224343422).

The spelling of 121122301 in words is "one hundred twenty-one million, one hundred twenty-two thousand, three hundred one".

Divisors: 1 23 31 257 661 713 5911 7967 15203 20491 169877 183241 471293 3907171 5266187 121122301