1153201250 has 20 divisors (see below), whose sum is σ = 2161562766. Its totient is φ = 461280000.

The previous prime is 1153201249. The next prime is 1153201261. The reversal of 1153201250 is 521023511.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 235898881 + 917302369 = 15359^2 + 30287^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 460031 + ... + 462530.

Almost surely, 2^1153201250 is an apocalyptic number.

1153201250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153201250 is a deficient number, since it is larger than the sum of its proper divisors (1008361516).

1153201250 is an frugal number, since it uses more digits than its factorization.

1153201250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922583 (or 922568 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1153201250 is about 33958.8169699711. The cubic root of 1153201250 is about 1048.6608021259.

Adding to 1153201250 its reverse (521023511), we get a palindrome (1674224761).

The spelling of 1153201250 in words is "one billion, one hundred fifty-three million, two hundred one thousand, two hundred fifty".