1157652 has 42 divisors (see below), whose sum is σ = 3045098. Its totient is φ = 384912.

The previous prime is 1157641. The next prime is 1157669. The reversal of 1157652 is 2567511.

1157652 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 652 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1052676 + 104976 = 1026^2 + 324^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2718 + ... + 3114.

2^1157652 is an apocalyptic number.

1157652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522549).

1157652 is an abundant number, since it is smaller than the sum of its proper divisors (1887446).

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

1157652 is an equidigital number, since it uses as much as digits as its factorization.

1157652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 402 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 1157652 is about 1075.9423776392. The cubic root of 1157652 is about 105.0008163202. Note that the first 3 decimals are identical.

Subtracting from 1157652 its sum of digits (27), we obtain a cube (1157625 = 105³).

It can be divided in two parts, 11576 and 52, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 1157652 in words is "one million, one hundred fifty-seven thousand, six hundred fifty-two".