1290879134 has 8 divisors (see below), whose sum is σ = 1940362560. Its totient is φ = 644091616.

The previous prime is 1290879131. The next prime is 1290879167. The reversal of 1290879134 is 4319780921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290879131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672779 + ... + 674694.

It is an arithmetic number, because the mean of its divisors is an integer number (242545320).

Almost surely, 2^1290879134 is an apocalyptic number.

1290879134 is a deficient number, since it is larger than the sum of its proper divisors (649483426).

1290879134 is a wasteful number, since it uses less digits than its factorization.

1290879134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347954.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1290879134 is about 35928.8064650080. The cubic root of 1290879134 is about 1088.8344677500.

The spelling of 1290879134 in words is "one billion, two hundred ninety million, eight hundred seventy-nine thousand, one hundred thirty-four".