1170131451 has 4 divisors (see below), whose sum is σ = 1560175272. Its totient is φ = 780087632.

The previous prime is 1170131449. The next prime is 1170131453. The reversal of 1170131451 is 1541310711.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1170131449) and next prime (1170131453).

It is a cyclic number.

It is not a de Polignac number, because 1170131451 - 2¹ = 1170131449 is a prime.

It is a super-2 number, since 2×1170131451² = 2738415225238730802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1170131453) 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, 195021906 + ... + 195021911.

It is an arithmetic number, because the mean of its divisors is an integer number (390043818).

Almost surely, 2^1170131451 is an apocalyptic number.

1170131451 is a deficient number, since it is larger than the sum of its proper divisors (390043821).

1170131451 is an equidigital number, since it uses as much as digits as its factorization.

1170131451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390043820.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 1170131451 is about 34207.1842015680. The cubic root of 1170131451 is about 1053.7677041248.

The spelling of 1170131451 in words is "one billion, one hundred seventy million, one hundred thirty-one thousand, four hundred fifty-one".