122471644 has 12 divisors (see below), whose sum is σ = 225605800. Its totient is φ = 58012848.

The previous prime is 122471639. The next prime is 122471647. The reversal of 122471644 is 446174221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122471647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805659 + ... + 805810.

Almost surely, 2^122471644 is an apocalyptic number.

It is an amenable number.

122471644 is a deficient number, since it is larger than the sum of its proper divisors (103134156).

122471644 is a wasteful number, since it uses less digits than its factorization.

122471644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611492 (or 1611490 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 122471644 is about 11066.6907429457. The cubic root of 122471644 is about 496.6058705719.

The spelling of 122471644 in words is "one hundred twenty-two million, four hundred seventy-one thousand, six hundred forty-four".