1125621050 has 12 divisors (see below), whose sum is σ = 2093655246. Its totient is φ = 450248400.

The previous prime is 1125621043. The next prime is 1125621053. The reversal of 1125621050 is 501265211.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 424483609 + 701137441 = 20603^2 + 26479^2 .

It is not an unprimeable number, because it can be changed into a prime (1125621053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11256161 + ... + 11256260.

Almost surely, 2^1125621050 is an apocalyptic number.

1125621050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125621050 is a deficient number, since it is larger than the sum of its proper divisors (968034196).

1125621050 is a wasteful number, since it uses less digits than its factorization.

1125621050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22512433 (or 22512428 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1125621050 is about 33550.2764519162. The cubic root of 1125621050 is about 1040.2332594392.

Adding to 1125621050 its reverse (501265211), we get a palindrome (1626886261).

The spelling of 1125621050 in words is "one billion, one hundred twenty-five million, six hundred twenty-one thousand, fifty".