1270434690 has 96 divisors (see below), whose sum is σ = 3780781056. Its totient is φ = 289941120.

The previous prime is 1270434673. The next prime is 1270434707. The reversal of 1270434690 is 964340721.

It is an interprime number because it is at equal distance from previous prime (1270434673) and next prime (1270434707).

It is a super-2 number, since 2×1270434690² = 3228008603110792200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 591759 + ... + 593901.

It is an arithmetic number, because the mean of its divisors is an integer number (39383136).

Almost surely, 2^1270434690 is an apocalyptic number.

1270434690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270434690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890390528).

1270434690 is an abundant number, since it is smaller than the sum of its proper divisors (2510346366).

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

1270434690 is a wasteful number, since it uses less digits than its factorization.

1270434690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1270434690 is about 35643.1576883979. The cubic root of 1270434690 is about 1083.0556724833.

The spelling of 1270434690 in words is "one billion, two hundred seventy million, four hundred thirty-four thousand, six hundred ninety".