1153020850 has 12 divisors (see below), whose sum is σ = 2144618874. Its totient is φ = 461208320.

The previous prime is 1153020829. The next prime is 1153020853. The reversal of 1153020850 is 580203511.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1122451009 + 30569841 = 33503^2 + 5529^2 .

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 (1153020853) 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, 11530159 + ... + 11530258.

Almost surely, 2^1153020850 is an apocalyptic number.

1153020850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153020850 is a deficient number, since it is larger than the sum of its proper divisors (991598024).

1153020850 is a wasteful number, since it uses less digits than its factorization.

1153020850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23060429 (or 23060424 counting only the distinct ones).

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

The square root of 1153020850 is about 33956.1607075947. The cubic root of 1153020850 is about 1048.6061171712.

The spelling of 1153020850 in words is "one billion, one hundred fifty-three million, twenty thousand, eight hundred fifty".