1270535970 has 128 divisors (see below), whose sum is σ = 3617955072. Its totient is φ = 282009600.

The previous prime is 1270535969. The next prime is 1270535971. The reversal of 1270535970 is 795350721.

It is an interprime number because it is at equal distance from previous prime (1270535969) and next prime (1270535971).

It is a super-2 number, since 2×1270535970² = 3228523302127681800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270535971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 204510 + ... + 210630.

It is an arithmetic number, because the mean of its divisors is an integer number (28265274).

Almost surely, 2^1270535970 is an apocalyptic number.

1270535970 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 1270535970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808977536).

1270535970 is an abundant number, since it is smaller than the sum of its proper divisors (2347419102).

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

1270535970 is a wasteful number, since it uses less digits than its factorization.

1270535970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196.

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 1270535970 is about 35644.5784096263. The cubic root of 1270535970 is about 1083.0844523869.

The spelling of 1270535970 in words is "one billion, two hundred seventy million, five hundred thirty-five thousand, nine hundred seventy".