1152206125 has 32 divisors (see below), whose sum is σ = 1670393088. Its totient is φ = 777096000.

The previous prime is 1152206119. The next prime is 1152206131. The reversal of 1152206125 is 5216022511.

It is an interprime number because it is at equal distance from previous prime (1152206119) and next prime (1152206131).

It is not a de Polignac number, because 1152206125 - 2¹¹ = 1152204077 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1152206125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42582 + ... + 64168.

It is an arithmetic number, because the mean of its divisors is an integer number (52199784).

Almost surely, 2^1152206125 is an apocalyptic number.

It is an amenable number.

1152206125 is a deficient number, since it is larger than the sum of its proper divisors (518186963).

1152206125 is an equidigital number, since it uses as much as digits as its factorization.

1152206125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21670 (or 21660 counting only the distinct ones).

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

The square root of 1152206125 is about 33944.1618691639. The cubic root of 1152206125 is about 1048.3590771401.

Adding to 1152206125 its reverse (5216022511), we get a palindrome (6368228636).

The spelling of 1152206125 in words is "one billion, one hundred fifty-two million, two hundred six thousand, one hundred twenty-five".