1154692051 has 2 divisors, whose sum is σ = 1154692052. Its totient is φ = 1154692050.

The previous prime is 1154692031. The next prime is 1154692081. The reversal of 1154692051 is 1502964511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1154692051 - 2²¹ = 1152594899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1154691998 and 1154692016.

It is not a weakly prime, because it can be changed into another prime (1154692031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577346025 + 577346026.

It is an arithmetic number, because the mean of its divisors is an integer number (577346026).

Almost surely, 2^1154692051 is an apocalyptic number.

1154692051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154692051 is an equidigital number, since it uses as much as digits as its factorization.

1154692051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1154692051 is about 33980.7600121010. The cubic root of 1154692051 is about 1049.1124929834.

The spelling of 1154692051 in words is "one billion, one hundred fifty-four million, six hundred ninety-two thousand, fifty-one".