1279655096 has 8 divisors (see below), whose sum is σ = 2399353320. Its totient is φ = 639827544.

The previous prime is 1279655089. The next prime is 1279655099. The reversal of 1279655096 is 6905569721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1279655096³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279655099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79978436 + ... + 79978451.

It is an arithmetic number, because the mean of its divisors is an integer number (299919165).

Almost surely, 2^1279655096 is an apocalyptic number.

It is an amenable number.

1279655096 is a deficient number, since it is larger than the sum of its proper divisors (1119698224).

1279655096 is a wasteful number, since it uses less digits than its factorization.

1279655096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159956893 (or 159956889 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 1279655096 is about 35772.2671353103. The cubic root of 1279655096 is about 1085.6695156384.

The spelling of 1279655096 in words is "one billion, two hundred seventy-nine million, six hundred fifty-five thousand, ninety-six".