1102012402 has 8 divisors (see below), whose sum is σ = 1659451356. Its totient is φ = 548861952.

The previous prime is 1102012393. The next prime is 1102012421. The reversal of 1102012402 is 2042102011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1101509721 + 502681 = 33189^2 + 709^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1071483 + ... + 1072510.

Almost surely, 2^1102012402 is an apocalyptic number.

1102012402 is a deficient number, since it is larger than the sum of its proper divisors (557438954).

1102012402 is a wasteful number, since it uses less digits than its factorization.

1102012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144252.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1102012402 is about 33196.5721423161. The cubic root of 1102012402 is about 1032.9092357716.

Adding to 1102012402 its reverse (2042102011), we get a palindrome (3144114413).

The spelling of 1102012402 in words is "one billion, one hundred two million, twelve thousand, four hundred two".