122521004 has 12 divisors (see below), whose sum is σ = 214573800. Its totient is φ = 61214208.

The previous prime is 122520971. The next prime is 122521019. The reversal of 122521004 is 400125221.

It is a super-2 number, since 2×122521004² = 30022792842336032, which contains 22 as substring.

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, 5234 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (17881150).

Almost surely, 2^122521004 is an apocalyptic number.

It is an amenable number.

122521004 is a deficient number, since it is larger than the sum of its proper divisors (92052796).

122521004 is a wasteful number, since it uses less digits than its factorization.

122521004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23152 (or 23150 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122521004 is about 11068.9206339191. The cubic root of 122521004 is about 496.6725776414.

Adding to 122521004 its reverse (400125221), we get a palindrome (522646225).

The spelling of 122521004 in words is "one hundred twenty-two million, five hundred twenty-one thousand, four".