122496638 has 32 divisors (see below), whose sum is σ = 209524320. Its totient is φ = 53200000.

The previous prime is 122496631. The next prime is 122496641. The reversal of 122496638 is 836694221.

It is a junction number, because it is equal to n+sod(n) for n = 122496595 and 122496604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122496631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63488 + ... + 65388.

It is an arithmetic number, because the mean of its divisors is an integer number (6547635).

Almost surely, 2^122496638 is an apocalyptic number.

122496638 is a deficient number, since it is larger than the sum of its proper divisors (87027682).

122496638 is a wasteful number, since it uses less digits than its factorization.

122496638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044.

The product of its digits is 124416, while the sum is 41.

The square root of 122496638 is about 11067.8199298688. The cubic root of 122496638 is about 496.6396506983.

The spelling of 122496638 in words is "one hundred twenty-two million, four hundred ninety-six thousand, six hundred thirty-eight".