1270405552 has 80 divisors (see below), whose sum is σ = 2861691840. Its totient is φ = 541449216.

The previous prime is 1270405481. The next prime is 1270405561. The reversal of 1270405552 is 2555040721.

It is a super-2 number, since 2×1270405552² = 3227860533104849408, which contains 22 as substring.

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, 134158 + ... + 143314.

It is an arithmetic number, because the mean of its divisors is an integer number (35771148).

Almost surely, 2^1270405552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270405552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430845920).

1270405552 is an abundant number, since it is smaller than the sum of its proper divisors (1591286288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270405552 is a wasteful number, since it uses less digits than its factorization.

1270405552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9230 (or 9224 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 1270405552 is about 35642.7489400018. The cubic root of 1270405552 is about 1083.0473922945.

The spelling of 1270405552 in words is "one billion, two hundred seventy million, four hundred five thousand, five hundred fifty-two".