1252630 has 16 divisors (see below), whose sum is σ = 2268720. Its totient is φ = 497952.

The previous prime is 1252609. The next prime is 1252631. The reversal of 1252630 is 362521.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1252598 and 1252607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252631) 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, 2017 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (141795).

2^1252630 is an apocalyptic number.

1252630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252630 is a deficient number, since it is larger than the sum of its proper divisors (1016090).

1252630 is a wasteful number, since it uses less digits than its factorization.

1252630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

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

The square root of 1252630 is about 1119.2095424897. The cubic root of 1252630 is about 107.7972304216.

The spelling of 1252630 in words is "one million, two hundred fifty-two thousand, six hundred thirty".