1279470048 has 144 divisors (see below), whose sum is σ = 3609494784. Its totient is φ = 396728320.

The previous prime is 1279470043. The next prime is 1279470077. The reversal of 1279470048 is 8400749721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1279469991 and 1279470009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279470041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2968393 + ... + 2968823.

It is an arithmetic number, because the mean of its divisors is an integer number (25065936).

Almost surely, 2^1279470048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1279470048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804747392).

1279470048 is an abundant number, since it is smaller than the sum of its proper divisors (2330024736).

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

1279470048 is a wasteful number, since it uses less digits than its factorization.

1279470048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1279470048 is about 35769.6805688840. The cubic root of 1279470048 is about 1085.6171810529.

The spelling of 1279470048 in words is "one billion, two hundred seventy-nine million, four hundred seventy thousand, forty-eight".