1157402 has 4 divisors (see below), whose sum is σ = 1736106. Its totient is φ = 578700.

The previous prime is 1157393. The next prime is 1157413. The reversal of 1157402 is 2047511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2047511 = 199 ⋅10289.

It can be written as a sum of positive squares in only one way, i.e., 1142761 + 14641 = 1069^2 + 121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289349 + ... + 289352.

2^1157402 is an apocalyptic number.

1157402 is a deficient number, since it is larger than the sum of its proper divisors (578704).

1157402 is an equidigital number, since it uses as much as digits as its factorization.

1157402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578703.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1157402 is about 1075.8261941410. The cubic root of 1157402 is about 104.9932573146.

The spelling of 1157402 in words is "one million, one hundred fifty-seven thousand, four hundred two".