1224504555402 has 16 divisors (see below), whose sum is σ = 2452028860512. Its totient is φ = 407664893520.

The previous prime is 1224504555389. The next prime is 1224504555437. The reversal of 1224504555402 is 2045554054221.

It is a super-2 number, since 2×1224504555402² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125817633 + ... + 125827364.

It is an arithmetic number, because the mean of its divisors is an integer number (153251803782).

Almost surely, 2^{1224504555402} is an apocalyptic number.

1224504555402 is an abundant number, since it is smaller than the sum of its proper divisors (1227524305110).

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

1224504555402 is a wasteful number, since it uses less digits than its factorization.

1224504555402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251645813.

The product of its (nonzero) digits is 320000, while the sum is 39.

The spelling of 1224504555402 in words is "one trillion, two hundred twenty-four billion, five hundred four million, five hundred fifty-five thousand, four hundred two".