1290747495 has 16 divisors (see below), whose sum is σ = 2099053152. Its totient is φ = 677112960.

The previous prime is 1290747461. The next prime is 1290747499. The reversal of 1290747495 is 5947470921.

It is not a de Polignac number, because 1290747495 - 2⁶ = 1290747431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290747499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704412 + ... + 706241.

It is an arithmetic number, because the mean of its divisors is an integer number (131190822).

Almost surely, 2^1290747495 is an apocalyptic number.

1290747495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1290747495 is a deficient number, since it is larger than the sum of its proper divisors (808305657).

1290747495 is a wasteful number, since it uses less digits than its factorization.

1290747495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410722.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 1290747495 is about 35926.9744760118. The cubic root of 1290747495 is about 1088.7974547436.

The spelling of 1290747495 in words is "one billion, two hundred ninety million, seven hundred forty-seven thousand, four hundred ninety-five".