1154402402 has 4 divisors (see below), whose sum is σ = 1731603606. Its totient is φ = 577201200.

The previous prime is 1154402393. The next prime is 1154402411. The reversal of 1154402402 is 2042044511.

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 (1154402393) and next prime (1154402411).

It can be written as a sum of positive squares in only one way, i.e., 578354401 + 576048001 = 24049^2 + 24001^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288600599 + ... + 288600602.

Almost surely, 2^1154402402 is an apocalyptic number.

1154402402 is a deficient number, since it is larger than the sum of its proper divisors (577201204).

1154402402 is an equidigital number, since it uses as much as digits as its factorization.

1154402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577201203.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1154402402 is about 33976.4977889129. The cubic root of 1154402402 is about 1049.0247640239.

Adding to 1154402402 its reverse (2042044511), we get a palindrome (3196446913).

The spelling of 1154402402 in words is "one billion, one hundred fifty-four million, four hundred two thousand, four hundred two".