122400524 has 12 divisors (see below), whose sum is σ = 221110848. Its totient is φ = 59226000.

The previous prime is 122400469. The next prime is 122400541. The reversal of 122400524 is 425004221.

It is a happy number.

It is a super-3 number, since 3×122400524³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122400496 and 122400505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493427 + ... + 493674.

It is an arithmetic number, because the mean of its divisors is an integer number (18425904).

Almost surely, 2^122400524 is an apocalyptic number.

It is an amenable number.

122400524 is a deficient number, since it is larger than the sum of its proper divisors (98710324).

122400524 is a wasteful number, since it uses less digits than its factorization.

122400524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987136 (or 987134 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 122400524 is about 11063.4770303011. The cubic root of 122400524 is about 496.5097246474.

Adding to 122400524 its reverse (425004221), we get a palindrome (547404745).

The spelling of 122400524 in words is "one hundred twenty-two million, four hundred thousand, five hundred twenty-four".