1260669774 has 32 divisors (see below), whose sum is σ = 3103188480. Its totient is φ = 332484192.

The previous prime is 1260669749. The next prime is 1260669793. The reversal of 1260669774 is 4779660621.

It is a super-2 number, since 2×1260669774² = 3178576558154422152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 1153914 + ... + 1155005.

It is an arithmetic number, because the mean of its divisors is an integer number (96974640).

Almost surely, 2^1260669774 is an apocalyptic number.

1260669774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1260669774 is an abundant number, since it is smaller than the sum of its proper divisors (1842518706).

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

1260669774 is a wasteful number, since it uses less digits than its factorization.

1260669774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308944.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 1260669774 is about 35505.9118176114. The cubic root of 1260669774 is about 1080.2736429375.

The spelling of 1260669774 in words is "one billion, two hundred sixty million, six hundred sixty-nine thousand, seven hundred seventy-four".