1125993650 has 24 divisors (see below), whose sum is σ = 2102158980. Its totient is φ = 448717760.

The previous prime is 1125993647. The next prime is 1125993667. The reversal of 1125993650 is 563995211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 494929009 + 631064641 = 22247^2 + 25121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1125993598 and 1125993607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28409 + ... + 55308.

Almost surely, 2^1125993650 is an apocalyptic number.

1125993650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125993650 is a deficient number, since it is larger than the sum of its proper divisors (976165330).

1125993650 is a wasteful number, since it uses less digits than its factorization.

1125993650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83998 (or 83993 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 1125993650 is about 33555.8288528238. The cubic root of 1125993650 is about 1040.3480251660.

The spelling of 1125993650 in words is "one billion, one hundred twenty-five million, nine hundred ninety-three thousand, six hundred fifty".