1027426451 has 4 divisors (see below), whose sum is σ = 1027500000. Its totient is φ = 1027352904.

The previous prime is 1027426427. The next prime is 1027426483. The reversal of 1027426451 is 1546247201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1027426451 is a prime.

It is a super-2 number, since 2×1027426451² = 2111210224428910802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027426051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8651 + ... + 46148.

It is an arithmetic number, because the mean of its divisors is an integer number (256875000).

Almost surely, 2^1027426451 is an apocalyptic number.

1027426451 is a deficient number, since it is larger than the sum of its proper divisors (73549).

1027426451 is an equidigital number, since it uses as much as digits as its factorization.

1027426451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73548.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1027426451 is about 32053.4935849433. The cubic root of 1027426451 is about 1009.0598220794.

The spelling of 1027426451 in words is "one billion, twenty-seven million, four hundred twenty-six thousand, four hundred fifty-one".