1157200106 has 8 divisors (see below), whose sum is σ = 1753695300. Its totient is φ = 572635008.

The previous prime is 1157200097. The next prime is 1157200189. The reversal of 1157200106 is 6010027511.

It can be written as a sum of positive squares in 2 ways, for example, as 1155660025 + 1540081 = 33995^2 + 1241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1157200106² = 2678224170652822472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2982281 + ... + 2982668.

Almost surely, 2^1157200106 is an apocalyptic number.

1157200106 is a deficient number, since it is larger than the sum of its proper divisors (596495194).

1157200106 is an equidigital number, since it uses as much as digits as its factorization.

1157200106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965048.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1157200106 is about 34017.6440395275. The cubic root of 1157200106 is about 1049.8715204853.

Adding to 1157200106 its reverse (6010027511), we get a palindrome (7167227617).

The spelling of 1157200106 in words is "one billion, one hundred fifty-seven million, two hundred thousand, one hundred six".