1252120950 has 48 divisors (see below), whose sum is σ = 3450292560. Its totient is φ = 333898560.

The previous prime is 1252120847. The next prime is 1252120963. The reversal of 1252120950 is 590212521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462399 + ... + 465098.

It is an arithmetic number, because the mean of its divisors is an integer number (71881095).

Almost surely, 2^1252120950 is an apocalyptic number.

1252120950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252120950 is an abundant number, since it is smaller than the sum of its proper divisors (2198171610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252120950 is a wasteful number, since it uses less digits than its factorization.

1252120950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927518 (or 927507 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1252120950 is about 35385.3211091831. The cubic root of 1252120950 is about 1077.8262605186.

The spelling of 1252120950 in words is "one billion, two hundred fifty-two million, one hundred twenty thousand, nine hundred fifty".