1157372 has 6 divisors (see below), whose sum is σ = 2025408. Its totient is φ = 578684.

The previous prime is 1157369. The next prime is 1157381. The reversal of 1157372 is 2737511.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144668 + ... + 144675.

It is an arithmetic number, because the mean of its divisors is an integer number (337568).

2^1157372 is an apocalyptic number.

It is an amenable number.

1157372 is a deficient number, since it is larger than the sum of its proper divisors (868036).

1157372 is a wasteful number, since it uses less digits than its factorization.

1157372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289347 (or 289345 counting only the distinct ones).

The product of its digits is 1470, while the sum is 26.

The square root of 1157372 is about 1075.8122512781. The cubic root of 1157372 is about 104.9923501607.

The spelling of 1157372 in words is "one million, one hundred fifty-seven thousand, three hundred seventy-two".