1102645132 has 12 divisors (see below), whose sum is σ = 1931673240. Its totient is φ = 550738496.

The previous prime is 1102645129. The next prime is 1102645133. The reversal of 1102645132 is 2315462011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1102645097 and 1102645106.

It is not an unprimeable number, because it can be changed into a prime (1102645133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141757 + ... + 149332.

It is an arithmetic number, because the mean of its divisors is an integer number (160972770).

Almost surely, 2^1102645132 is an apocalyptic number.

It is an amenable number.

1102645132 is a deficient number, since it is larger than the sum of its proper divisors (829028108).

1102645132 is a wasteful number, since it uses less digits than its factorization.

1102645132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292040 (or 292038 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1102645132 is about 33206.1008249990. The cubic root of 1102645132 is about 1033.1068825550.

The spelling of 1102645132 in words is "one billion, one hundred two million, six hundred forty-five thousand, one hundred thirty-two".