1254420672025 has 12 divisors (see below), whose sum is σ = 1556527732992. Its totient is φ = 1002861634640.

The previous prime is 1254420672023. The next prime is 1254420672107. The reversal of 1254420672025 is 5202760244521.

It is not a de Polignac number, because 1254420672025 - 2¹ = 1254420672023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254420672023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16834657 + ... + 16909006.

It is an arithmetic number, because the mean of its divisors is an integer number (129710644416).

Almost surely, 2^{1254420672025} is an apocalyptic number.

It is an amenable number.

1254420672025 is a deficient number, since it is larger than the sum of its proper divisors (302107060967).

1254420672025 is a wasteful number, since it uses less digits than its factorization.

1254420672025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33745160 (or 33745155 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 1254420672025 in words is "one trillion, two hundred fifty-four billion, four hundred twenty million, six hundred seventy-two thousand, twenty-five".