1272823532 has 48 divisors (see below), whose sum is σ = 2347652160. Its totient is φ = 603187200.

The previous prime is 1272823493. The next prime is 1272823549. The reversal of 1272823532 is 2353282721.

It is a super-2 number, since 2×1272823532² = 3240159487225910048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1272823492 and 1272823501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934532 + ... + 935892.

It is an arithmetic number, because the mean of its divisors is an integer number (48909420).

Almost surely, 2^1272823532 is an apocalyptic number.

It is an amenable number.

1272823532 is a deficient number, since it is larger than the sum of its proper divisors (1074828628).

1272823532 is a wasteful number, since it uses less digits than its factorization.

1272823532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1560 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 1272823532 is about 35676.6524774957. The cubic root of 1272823532 is about 1083.7340830462.

The spelling of 1272823532 in words is "one billion, two hundred seventy-two million, eight hundred twenty-three thousand, five hundred thirty-two".