122929961 has 8 divisors (see below), whose sum is σ = 153263424. Its totient is φ = 95789520.

The previous prime is 122929921. The next prime is 122929969. The reversal of 122929961 is 169929221.

It is a happy number.

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 122929961 - 2¹⁸ = 122667817 is a prime.

It is a super-2 number, since 2×122929961² = 30223550622923042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122929969) 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, 798170 + ... + 798323.

It is an arithmetic number, because the mean of its divisors is an integer number (19157928).

Almost surely, 2^122929961 is an apocalyptic number.

122929961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122929961 is a deficient number, since it is larger than the sum of its proper divisors (30333463).

122929961 is a wasteful number, since it uses less digits than its factorization.

122929961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596511.

The product of its digits is 34992, while the sum is 41.

The square root of 122929961 is about 11087.3784548017. The cubic root of 122929961 is about 497.2245704876.

The spelling of 122929961 in words is "one hundred twenty-two million, nine hundred twenty-nine thousand, nine hundred sixty-one".