1256230 has 16 divisors (see below), whose sum is σ = 2274480. Its totient is φ = 499552.

The previous prime is 1256209. The next prime is 1256231. The reversal of 1256230 is 326521.

It is a happy number.

It is a super-2 number, since 2×1256230² = 3156227625800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1256198 and 1256207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2457 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (142155).

2^1256230 is an apocalyptic number.

1256230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1256230 is a deficient number, since it is larger than the sum of its proper divisors (1018250).

1256230 is a wasteful number, since it uses less digits than its factorization.

1256230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1256230 is about 1120.8166665427. The cubic root of 1256230 is about 107.9003997153.

The spelling of 1256230 in words is "one million, two hundred fifty-six thousand, two hundred thirty".