1270470428157 has 16 divisors (see below), whose sum is σ = 1943487844992. Its totient is φ = 723158261760.

The previous prime is 1270470428119. The next prime is 1270470428221. The reversal of 1270470428157 is 7518240740721.

It is not a de Polignac number, because 1270470428157 - 2²⁴ = 1270453650941 is a prime.

It is a super-2 number, since 2×1270470428157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270470418157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117696144 + ... + 117706937.

It is an arithmetic number, because the mean of its divisors is an integer number (121467990312).

Almost surely, 2^{1270470428157} is an apocalyptic number.

It is an amenable number.

1270470428157 is a deficient number, since it is larger than the sum of its proper divisors (673017416835).

1270470428157 is a wasteful number, since it uses less digits than its factorization.

1270470428157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235403348.

The product of its (nonzero) digits is 878080, while the sum is 48.

The spelling of 1270470428157 in words is "one trillion, two hundred seventy billion, four hundred seventy million, four hundred twenty-eight thousand, one hundred fifty-seven".