1157293 has 2 divisors, whose sum is σ = 1157294. Its totient is φ = 1157292.

The previous prime is 1157279. The next prime is 1157327. The reversal of 1157293 is 3927511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 643204 + 514089 = 802^2 + 717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578646 + 578647.

It is an arithmetic number, because the mean of its divisors is an integer number (578647).

2^1157293 is an apocalyptic number.

It is an amenable number.

1157293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157293 is an equidigital number, since it uses as much as digits as its factorization.

1157293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 28.

The square root of 1157293 is about 1075.7755342078. The cubic root of 1157293 is about 104.9899612474.

The spelling of 1157293 in words is "one million, one hundred fifty-seven thousand, two hundred ninety-three".