1260267879 has 8 divisors (see below), whose sum is σ = 1809615472. Its totient is φ = 775549440.

The previous prime is 1260267809. The next prime is 1260267901. The reversal of 1260267879 is 9787620621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1260267879 - 2⁷ = 1260267751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260267809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16157242 + ... + 16157319.

It is an arithmetic number, because the mean of its divisors is an integer number (226201934).

Almost surely, 2^1260267879 is an apocalyptic number.

1260267879 is a deficient number, since it is larger than the sum of its proper divisors (549347593).

1260267879 is a wasteful number, since it uses less digits than its factorization.

1260267879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32314577.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 1260267879 is about 35500.2518160083. The cubic root of 1260267879 is about 1080.1588355210.

The spelling of 1260267879 in words is "one billion, two hundred sixty million, two hundred sixty-seven thousand, eight hundred seventy-nine".