1230957 has 40 divisors (see below), whose sum is σ = 2276736. Its totient is φ = 645408.

The previous prime is 1230949. The next prime is 1230967. The reversal of 1230957 is 7590321.

It is not a de Polignac number, because 1230957 - 2³ = 1230949 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1230957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230907) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7288 + ... + 7454.

2^1230957 is an apocalyptic number.

1230957 is the 702-nd heptagonal number.

It is an amenable number.

1230957 is a deficient number, since it is larger than the sum of its proper divisors (1045779).

1230957 is a wasteful number, since it uses less digits than its factorization.

1230957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1230957 is about 1109.4850156717. The cubic root of 1230957 is about 107.1719075512.

It can be divided in two parts, 1230 and 957, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1230957 in words is "one million, two hundred thirty thousand, nine hundred fifty-seven".