1272957 has 8 divisors (see below), whose sum is σ = 1939776. Its totient is φ = 727392.

The previous prime is 1272941. The next prime is 1272961. The reversal of 1272957 is 7592721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1272957 - 2⁴ = 1272941 is a prime.

It is an Ulam number.

1272957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30288 + ... + 30329.

It is an arithmetic number, because the mean of its divisors is an integer number (242472).

2^1272957 is an apocalyptic number.

It is an amenable number.

1272957 is a deficient number, since it is larger than the sum of its proper divisors (666819).

1272957 is an equidigital number, since it uses as much as digits as its factorization.

1272957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60627.

The product of its digits is 8820, while the sum is 33.

The square root of 1272957 is about 1128.2539607730. The cubic root of 1272957 is about 108.3771961763.

The spelling of 1272957 in words is "one million, two hundred seventy-two thousand, nine hundred fifty-seven".