1272298952 has 8 divisors (see below), whose sum is σ = 2385560550. Its totient is φ = 636149472.

The previous prime is 1272298943. The next prime is 1272298967. The reversal of 1272298952 is 2598922721.

It can be written as a sum of positive squares in only one way, i.e., 817159396 + 455139556 = 28586^2 + 21334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1272298897 and 1272298906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79518677 + ... + 79518692.

Almost surely, 2^1272298952 is an apocalyptic number.

It is an amenable number.

1272298952 is a deficient number, since it is larger than the sum of its proper divisors (1113261598).

1272298952 is a wasteful number, since it uses less digits than its factorization.

1272298952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159037375 (or 159037371 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 1272298952 is about 35669.2998529548. The cubic root of 1272298952 is about 1083.5851796228.

The spelling of 1272298952 in words is "one billion, two hundred seventy-two million, two hundred ninety-eight thousand, nine hundred fifty-two".