1131625606 has 8 divisors (see below), whose sum is σ = 1699533864. Its totient is φ = 565114320.

The previous prime is 1131625603. The next prime is 1131625613. The reversal of 1131625606 is 6065261311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131625601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347215 + ... + 350458.

It is an arithmetic number, because the mean of its divisors is an integer number (212441733).

Almost surely, 2^1131625606 is an apocalyptic number.

1131625606 is a deficient number, since it is larger than the sum of its proper divisors (567908258).

1131625606 is an equidigital number, since it uses as much as digits as its factorization.

1131625606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698486.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1131625606 is about 33639.6433690965. The cubic root of 1131625606 is about 1042.0796668396.

Adding to 1131625606 its reverse (6065261311), we get a palindrome (7196886917).

The spelling of 1131625606 in words is "one billion, one hundred thirty-one million, six hundred twenty-five thousand, six hundred six".