1298390097954 has 32 divisors (see below), whose sum is σ = 2649196186560. Its totient is φ = 424146770432.

The previous prime is 1298390097941. The next prime is 1298390097959. The reversal of 1298390097954 is 4597900938921.

It is a super-2 number, since 2×1298390097954² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1298390097959) 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, 10698252 + ... + 10818935.

It is an arithmetic number, because the mean of its divisors is an integer number (82787380830).

Almost surely, 2^{1298390097954} is an apocalyptic number.

1298390097954 is an abundant number, since it is smaller than the sum of its proper divisors (1350806088606).

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

1298390097954 is a wasteful number, since it uses less digits than its factorization.

1298390097954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21517394.

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 1298390097954 in words is "one trillion, two hundred ninety-eight billion, three hundred ninety million, ninety-seven thousand, nine hundred fifty-four".