1157013 has 48 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 604800.

The previous prime is 1157011. The next prime is 1157017. The reversal of 1157013 is 3107511.

It is a happy number.

It is not a de Polignac number, because 1157013 - 2¹ = 1157011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157011) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 37308 + ... + 37338.

It is an arithmetic number, because the mean of its divisors is an integer number (43680).

2^1157013 is an apocalyptic number.

1157013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1157013 is a deficient number, since it is larger than the sum of its proper divisors (939627).

1157013 is a wasteful number, since it uses less digits than its factorization.

1157013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 1157013 is about 1075.6453876627. The cubic root of 1157013 is about 104.9814933370.

The spelling of 1157013 in words is "one million, one hundred fifty-seven thousand, thirteen".