1270912450 has 12 divisors (see below), whose sum is σ = 2363897250. Its totient is φ = 508364960.

The previous prime is 1270912441. The next prime is 1270912459. The reversal of 1270912450 is 542190721.

It is an interprime number because it is at equal distance from previous prime (1270912441) and next prime (1270912459).

It can be written as a sum of positive squares in 3 ways, for example, as 1141020841 + 129891609 = 33779^2 + 11397^2 .

It is not an unprimeable number, because it can be changed into a prime (1270912459) 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, 12709075 + ... + 12709174.

Almost surely, 2^1270912450 is an apocalyptic number.

1270912450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1270912450 is a deficient number, since it is larger than the sum of its proper divisors (1092984800).

1270912450 is a wasteful number, since it uses less digits than its factorization.

1270912450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25418261 (or 25418256 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1270912450 is about 35649.8590460047. The cubic root of 1270912450 is about 1083.1914202009.

The spelling of 1270912450 in words is "one billion, two hundred seventy million, nine hundred twelve thousand, four hundred fifty".