1102012434 has 24 divisors (see below), whose sum is σ = 2388894300. Its totient is φ = 367152768.

The previous prime is 1102012423. The next prime is 1102012447. The reversal of 1102012434 is 4342102011.

It can be written as a sum of positive squares in 2 ways, for example, as 1001912409 + 100100025 = 31653^2 + 10005^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24142 + ... + 52790.

Almost surely, 2^1102012434 is an apocalyptic number.

1102012434 is an abundant number, since it is smaller than the sum of its proper divisors (1286881866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102012434 is a wasteful number, since it uses less digits than its factorization.

1102012434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30794 (or 30791 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1102012434 is about 33196.5726242936. The cubic root of 1102012434 is about 1032.9092457694.

Adding to 1102012434 its reverse (4342102011), we get a palindrome (5444114445).

The spelling of 1102012434 in words is "one billion, one hundred two million, twelve thousand, four hundred thirty-four".