1157896 has 8 divisors (see below), whose sum is σ = 2171070. Its totient is φ = 578944.

The previous prime is 1157873. The next prime is 1157899. The reversal of 1157896 is 6987511.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 12996 = 1070^2 + 114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72361 + ... + 72376.

2^1157896 is an apocalyptic number.

It is an amenable number.

1157896 is a deficient number, since it is larger than the sum of its proper divisors (1013174).

1157896 is a wasteful number, since it uses less digits than its factorization.

1157896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144743 (or 144739 counting only the distinct ones).

The product of its digits is 15120, while the sum is 37.

The square root of 1157896 is about 1076.0557606370. The cubic root of 1157896 is about 105.0081928603.

The spelling of 1157896 in words is "one million, one hundred fifty-seven thousand, eight hundred ninety-six".