1402123424 has 48 divisors (see below), whose sum is σ = 3102043392. Its totient is φ = 618993408.

The previous prime is 1402123379. The next prime is 1402123439. The reversal of 1402123424 is 4243212041.

It is a super-2 number, since 2×1402123424² = 3931900192258967552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1402123424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63704 + ... + 82839.

It is an arithmetic number, because the mean of its divisors is an integer number (64625904).

Almost surely, 2^1402123424 is an apocalyptic number.

It is an amenable number.

1402123424 is an abundant number, since it is smaller than the sum of its proper divisors (1699919968).

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

1402123424 is a wasteful number, since it uses less digits than its factorization.

1402123424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146589 (or 146581 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1402123424 is about 37444.9385631757. The cubic root of 1402123424 is about 1119.2542399351.

Adding to 1402123424 its reverse (4243212041), we get a palindrome (5645335465).

The spelling of 1402123424 in words is "one billion, four hundred two million, one hundred twenty-three thousand, four hundred twenty-four".