1272440409003 has 24 divisors (see below), whose sum is σ = 1847176531200. Its totient is φ = 844054632960.

The previous prime is 1272440408969. The next prime is 1272440409109. The reversal of 1272440409003 is 3009040442721.

1272440409003 is a `hidden beast` number, since 1 + 2 + 7 + 244 + 0 + 409 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 1272440409003 - 2³⁷ = 1135001455531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1272440409503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1030198 + ... + 1898996.

It is an arithmetic number, because the mean of its divisors is an integer number (76965688800).

Almost surely, 2^{1272440409003} is an apocalyptic number.

1272440409003 is a deficient number, since it is larger than the sum of its proper divisors (574736122197).

1272440409003 is a wasteful number, since it uses less digits than its factorization.

1272440409003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869619 (or 869616 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 1272440409003 in words is "one trillion, two hundred seventy-two billion, four hundred forty million, four hundred nine thousand, three".