1152122650 has 96 divisors (see below), whose sum is σ = 2575013760. Its totient is φ = 375217920.

The previous prime is 1152122633. The next prime is 1152122651. The reversal of 1152122650 is 562212511.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1152122651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 555816 + ... + 557884.

It is an arithmetic number, because the mean of its divisors is an integer number (26823060).

Almost surely, 2^1152122650 is an apocalyptic number.

1152122650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1152122650 is an abundant number, since it is smaller than the sum of its proper divisors (1422891110).

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

1152122650 is a wasteful number, since it uses less digits than its factorization.

1152122650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1152122650 is about 33942.9322540054. The cubic root of 1152122650 is about 1048.3337593647. Note that the first 3 decimals are identical.

The spelling of 1152122650 in words is "one billion, one hundred fifty-two million, one hundred twenty-two thousand, six hundred fifty".