1125641662 has 16 divisors (see below), whose sum is σ = 1806469200. Its totient is φ = 524456640.

The previous prime is 1125641633. The next prime is 1125641663. The reversal of 1125641662 is 2661465211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125641663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240487 + ... + 245122.

It is an arithmetic number, because the mean of its divisors is an integer number (112904325).

Almost surely, 2^1125641662 is an apocalyptic number.

1125641662 is a deficient number, since it is larger than the sum of its proper divisors (680827538).

1125641662 is a wasteful number, since it uses less digits than its factorization.

1125641662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485691.

The product of its digits is 17280, while the sum is 34.

The square root of 1125641662 is about 33550.5836312873. The cubic root of 1125641662 is about 1040.2396088694.

The spelling of 1125641662 in words is "one billion, one hundred twenty-five million, six hundred forty-one thousand, six hundred sixty-two".