1272192 has 32 divisors (see below), whose sum is σ = 3380280. Its totient is φ = 423936.

The previous prime is 1272191. The next prime is 1272203. The reversal of 1272192 is 2912721.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273 + ... + 2040.

2^1272192 is an apocalyptic number.

1272192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1272192 is an abundant number, since it is smaller than the sum of its proper divisors (2108088).

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

1272192 is an equidigital number, since it uses as much as digits as its factorization.

1272192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330 (or 3318 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 1272192 is about 1127.9148904062. The cubic root of 1272192 is about 108.3554815991.

The spelling of 1272192 in words is "one million, two hundred seventy-two thousand, one hundred ninety-two".