1290663076 has 24 divisors (see below), whose sum is σ = 2301022080. Its totient is φ = 633301152.

The previous prime is 1290663041. The next prime is 1290663079. The reversal of 1290663076 is 6703660921.

It is a super-2 number, since 2×1290663076² = 3331622351499563552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1290663079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63141 + ... + 81043.

It is an arithmetic number, because the mean of its divisors is an integer number (95875920).

Almost surely, 2^1290663076 is an apocalyptic number.

It is an amenable number.

1290663076 is a deficient number, since it is larger than the sum of its proper divisors (1010359004).

1290663076 is a wasteful number, since it uses less digits than its factorization.

1290663076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18243 (or 18241 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1290663076 is about 35925.7995874831. The cubic root of 1290663076 is about 1088.7737172849.

The spelling of 1290663076 in words is "one billion, two hundred ninety million, six hundred sixty-three thousand, seventy-six".