1256052 has 48 divisors (see below), whose sum is σ = 3530240. Its totient is φ = 339552.

The previous prime is 1256041. The next prime is 1256063. The reversal of 1256052 is 2506521.

It is an interprime number because it is at equal distance from previous prime (1256041) and next prime (1256063).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203 + ... + 1989.

2^1256052 is an apocalyptic number.

1256052 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 1256052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765120).

1256052 is an abundant number, since it is smaller than the sum of its proper divisors (2274188).

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

1256052 is a wasteful number, since it uses less digits than its factorization.

1256052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1256052 is about 1120.7372573445. The cubic root of 1256052 is about 107.8953032021.

The spelling of 1256052 in words is "one million, two hundred fifty-six thousand, fifty-two".