1002045120454 has 16 divisors (see below), whose sum is σ = 1808201721600. Its totient is φ = 406845387144.

The previous prime is 1002045120379. The next prime is 1002045120467. The reversal of 1002045120454 is 4540215402001.

It is a super-2 number, since 2×1002045120454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883543194 + ... + 1883543725.

It is an arithmetic number, because the mean of its divisors is an integer number (113012607600).

Almost surely, 2^{1002045120454} is an apocalyptic number.

1002045120454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1002045120454 is a deficient number, since it is larger than the sum of its proper divisors (806156601146).

1002045120454 is a wasteful number, since it uses less digits than its factorization.

1002045120454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767086947.

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 1002045120454 in words is "one trillion, two billion, forty-five million, one hundred twenty thousand, four hundred fifty-four".