122745641 has 8 divisors (see below), whose sum is σ = 128232384. Its totient is φ = 117271440.

The previous prime is 122745617. The next prime is 122745703. The reversal of 122745641 is 146547221.

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 122745641 - 2²² = 118551337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122745598 and 122745607.

It is not an unprimeable number, because it can be changed into a prime (122745041) 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, 20870 + ... + 26096.

It is an arithmetic number, because the mean of its divisors is an integer number (16029048).

Almost surely, 2^122745641 is an apocalyptic number.

It is an amenable number.

122745641 is a deficient number, since it is larger than the sum of its proper divisors (5486743).

122745641 is a wasteful number, since it uses less digits than its factorization.

122745641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271.

The product of its digits is 13440, while the sum is 32.

The square root of 122745641 is about 11079.0631824175. The cubic root of 122745641 is about 496.9759349343.

The spelling of 122745641 in words is "one hundred twenty-two million, seven hundred forty-five thousand, six hundred forty-one".