1102123412 has 36 divisors (see below), whose sum is σ = 2091565980. Its totient is φ = 505147392.

The previous prime is 1102123343. The next prime is 1102123423. The reversal of 1102123412 is 2143212011.

It can be written as a sum of positive squares in 6 ways, for example, as 403367056 + 698756356 = 20084^2 + 26434^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1936664 + ... + 1937232.

It is an arithmetic number, because the mean of its divisors is an integer number (58099055).

Almost surely, 2^1102123412 is an apocalyptic number.

It is an amenable number.

1102123412 is a deficient number, since it is larger than the sum of its proper divisors (989442568).

1102123412 is a wasteful number, since it uses less digits than its factorization.

1102123412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1102123412 is about 33198.2441101935. The cubic root of 1102123412 is about 1032.9439175967.

Adding to 1102123412 its reverse (2143212011), we get a palindrome (3245335423).

The spelling of 1102123412 in words is "one billion, one hundred two million, one hundred twenty-three thousand, four hundred twelve".