1253634 has 16 divisors (see below), whose sum is σ = 2575488. Its totient is φ = 406512.

The previous prime is 1253627. The next prime is 1253683. The reversal of 1253634 is 4363521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2602 + ... + 3045.

It is an arithmetic number, because the mean of its divisors is an integer number (160968).

2^1253634 is an apocalyptic number.

1253634 is an abundant number, since it is smaller than the sum of its proper divisors (1321854).

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

1253634 is a wasteful number, since it uses less digits than its factorization.

1253634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689.

The product of its digits is 2160, while the sum is 24.

The square root of 1253634 is about 1119.6579834932. The cubic root of 1253634 is about 107.8260230464.

The spelling of 1253634 in words is "one million, two hundred fifty-three thousand, six hundred thirty-four".