1157633 has 8 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 1106640.

The previous prime is 1157627. The next prime is 1157641. The reversal of 1157633 is 3367511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157633 is a prime.

It is a super-2 number, since 2×1157633² = 2680228325378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

2^1157633 is an apocalyptic number.

It is an amenable number.

1157633 is a deficient number, since it is larger than the sum of its proper divisors (51967).

1157633 is a wasteful number, since it uses less digits than its factorization.

1157633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its digits is 1890, while the sum is 26.

The square root of 1157633 is about 1075.9335481339. The cubic root of 1157633 is about 105.0002418740. Note that the first 3 decimals are identical.

The spelling of 1157633 in words is "one million, one hundred fifty-seven thousand, six hundred thirty-three".