122620854 has 32 divisors (see below), whose sum is σ = 250361856. Its totient is φ = 40027680.

The previous prime is 122620829. The next prime is 122620859. The reversal of 122620854 is 458026221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122620859) 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, 75984 + ... + 77580.

It is an arithmetic number, because the mean of its divisors is an integer number (7823808).

Almost surely, 2^122620854 is an apocalyptic number.

122620854 is an abundant number, since it is smaller than the sum of its proper divisors (127741002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122620854 is a wasteful number, since it uses less digits than its factorization.

122620854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 122620854 is about 11073.4300918911. The cubic root of 122620854 is about 496.8074641487.

The spelling of 122620854 in words is "one hundred twenty-two million, six hundred twenty thousand, eight hundred fifty-four".