1272951 has 6 divisors (see below), whose sum is σ = 1838720. Its totient is φ = 848628.

The previous prime is 1272941. The next prime is 1272961. The reversal of 1272951 is 1592721.

It is an interprime number because it is at equal distance from previous prime (1272941) and next prime (1272961).

It is not a de Polignac number, because 1272951 - 2⁵ = 1272919 is a prime.

It is a Duffinian number.

1272951 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272941) 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 5 ways as a sum of consecutive naturals, for example, 70711 + ... + 70728.

2^1272951 is an apocalyptic number.

1272951 is a deficient number, since it is larger than the sum of its proper divisors (565769).

1272951 is a wasteful number, since it uses less digits than its factorization.

1272951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141445 (or 141442 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1272951 is about 1128.2513017941. The cubic root of 1272951 is about 108.3770258997.

The spelling of 1272951 in words is "one million, two hundred seventy-two thousand, nine hundred fifty-one".