1270345434 has 64 divisors (see below), whose sum is σ = 2838758400. Its totient is φ = 376627968.

The previous prime is 1270345429. The next prime is 1270345459. The reversal of 1270345434 is 4345430721.

It is a super-2 number, since 2×1270345434² = 3227555043369296712, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1270345395 and 1270345404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1431739 + ... + 1432625.

It is an arithmetic number, because the mean of its divisors is an integer number (44355600).

Almost surely, 2^1270345434 is an apocalyptic number.

1270345434 is an abundant number, since it is smaller than the sum of its proper divisors (1568412966).

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

1270345434 is a wasteful number, since it uses less digits than its factorization.

1270345434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 1270345434 is about 35641.9055887869. The cubic root of 1270345434 is about 1083.0303080728.

The spelling of 1270345434 in words is "one billion, two hundred seventy million, three hundred forty-five thousand, four hundred thirty-four".