1252678890029 has 32 divisors (see below), whose sum is σ = 1484622839040. Its totient is φ = 1034557235712.

The previous prime is 1252678889873. The next prime is 1252678890031. The reversal of 1252678890029 is 9200988762521.

It is not a de Polignac number, because 1252678890029 - 2²⁰ = 1252677841453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252678890029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252678890829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56535617 + ... + 56557769.

It is an arithmetic number, because the mean of its divisors is an integer number (46394463720).

Almost surely, 2^{1252678890029} is an apocalyptic number.

It is an amenable number.

1252678890029 is a deficient number, since it is larger than the sum of its proper divisors (231943949011).

1252678890029 is a wasteful number, since it uses less digits than its factorization.

1252678890029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24309.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 1252678890029 in words is "one trillion, two hundred fifty-two billion, six hundred seventy-eight million, eight hundred ninety thousand, twenty-nine".