1157244 has 36 divisors (see below), whose sum is σ = 2971752. Its totient is φ = 350240.

The previous prime is 1157243. The next prime is 1157251. The reversal of 1157244 is 4427511.

1157244 = T₂₀₇ + T₂₀₈ + ... + T₂₅₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054 + ... + 1850.

2^1157244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485876).

1157244 is an abundant number, since it is smaller than the sum of its proper divisors (1814508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157244 is a wasteful number, since it uses less digits than its factorization.

1157244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 813 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 1157244 is about 1075.7527596990. The cubic root of 1157244 is about 104.9884794616.

The spelling of 1157244 in words is "one million, one hundred fifty-seven thousand, two hundred forty-four".