1267498475025 has 96 divisors (see below), whose sum is σ = 2256449649408. Its totient is φ = 625469644800.

The previous prime is 1267498475021. The next prime is 1267498475039. The reversal of 1267498475025 is 5205748947621.

It is not a de Polignac number, because 1267498475025 - 2² = 1267498475021 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1267498475025.

It is not an unprimeable number, because it can be changed into a prime (1267498475021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 211000572 + ... + 211006578.

It is an arithmetic number, because the mean of its divisors is an integer number (23504683848).

Almost surely, 2^{1267498475025} is an apocalyptic number.

1267498475025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1267498475025 is a deficient number, since it is larger than the sum of its proper divisors (988951174383).

1267498475025 is a wasteful number, since it uses less digits than its factorization.

1267498475025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8811 (or 8806 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 1267498475025 in words is "one trillion, two hundred sixty-seven billion, four hundred ninety-eight million, four hundred seventy-five thousand, twenty-five".