1272150970 has 16 divisors (see below), whose sum is σ = 2424570408. Its totient is φ = 478927360.

The previous prime is 1272150967. The next prime is 1272151003. The reversal of 1272150970 is 790512721.

It can be written as a sum of positive squares in 4 ways, for example, as 974001681 + 298149289 = 31209^2 + 17267^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741451 + ... + 3741790.

Almost surely, 2^1272150970 is an apocalyptic number.

1272150970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272150970 is a deficient number, since it is larger than the sum of its proper divisors (1152419438).

1272150970 is a wasteful number, since it uses less digits than its factorization.

1272150970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7483265.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 1272150970 is about 35667.2254317602. The cubic root of 1272150970 is about 1083.5431671384.

The spelling of 1272150970 in words is "one billion, two hundred seventy-two million, one hundred fifty thousand, nine hundred seventy".