1245146 has 32 divisors (see below), whose sum is σ = 2334720. Its totient is φ = 486000.

The previous prime is 1245137. The next prime is 1245149. The reversal of 1245146 is 6415421.

It is a super-2 number, since 2×1245146² = 3100777122632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1245149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8171 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (72960).

2^1245146 is an apocalyptic number.

1245146 is a deficient number, since it is larger than the sum of its proper divisors (1089574).

1245146 is a wasteful number, since it uses less digits than its factorization.

1245146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210.

The product of its digits is 960, while the sum is 23.

The square root of 1245146 is about 1115.8611024675. The cubic root of 1245146 is about 107.5821186134.

The spelling of 1245146 in words is "one million, two hundred forty-five thousand, one hundred forty-six".