1025853873122 has 8 divisors (see below), whose sum is σ = 1657148564316. Its totient is φ = 473471018352.

The previous prime is 1025853873103. The next prime is 1025853873133. The reversal of 1025853873122 is 2213783585201.

It can be written as a sum of positive squares in 2 ways, for example, as 974088067681 + 51765805441 = 986959^2 + 227521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19727959073 + ... + 19727959124.

Almost surely, 2^{1025853873122} is an apocalyptic number.

1025853873122 is a deficient number, since it is larger than the sum of its proper divisors (631294691194).

1025853873122 is a wasteful number, since it uses less digits than its factorization.

1025853873122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39455918212.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 1025853873122 in words is "one trillion, twenty-five billion, eight hundred fifty-three million, eight hundred seventy-three thousand, one hundred twenty-two".