1451120402 has 16 divisors (see below), whose sum is σ = 2298628800. Its totient is φ = 685157040.

The previous prime is 1451120381. The next prime is 1451120413. The reversal of 1451120402 is 2040211541.

It is a happy number.

It is a super-2 number, since 2×1451120402² = 4211500842201283208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49577 + ... + 73212.

It is an arithmetic number, because the mean of its divisors is an integer number (143664300).

Almost surely, 2^1451120402 is an apocalyptic number.

1451120402 is a deficient number, since it is larger than the sum of its proper divisors (847508398).

1451120402 is a wasteful number, since it uses less digits than its factorization.

1451120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123121.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1451120402 is about 38093.5742875357. The cubic root of 1451120402 is about 1132.1426446664.

Adding to 1451120402 its reverse (2040211541), we get a palindrome (3491331943).

The spelling of 1451120402 in words is "one billion, four hundred fifty-one million, one hundred twenty thousand, four hundred two".