1402115451 has 12 divisors (see below), whose sum is σ = 2054891496. Its totient is φ = 849766720.

The previous prime is 1402115447. The next prime is 1402115497. The reversal of 1402115451 is 1545112041.

It is not a de Polignac number, because 1402115451 - 2² = 1402115447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402115411) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1930926 + ... + 1931651.

It is an arithmetic number, because the mean of its divisors is an integer number (171240958).

Almost surely, 2^1402115451 is an apocalyptic number.

1402115451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1402115451 is a deficient number, since it is larger than the sum of its proper divisors (652776045).

1402115451 is a wasteful number, since it uses less digits than its factorization.

1402115451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862602 (or 3862591 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1402115451 is about 37444.8321000375. The cubic root of 1402115451 is about 1119.2521184312.

Adding to 1402115451 its reverse (1545112041), we get a palindrome (2947227492).

The spelling of 1402115451 in words is "one billion, four hundred two million, one hundred fifteen thousand, four hundred fifty-one".