1102130442 has 192 divisors, whose sum is σ = 3013977600. Its totient is φ = 297198720.

The previous prime is 1102130429. The next prime is 1102130453. The reversal of 1102130442 is 2440312011.

1102130442 is a `hidden beast` number, since 1 + 10 + 213 + 0 + 442 = 666.

It is a super-2 number, since 2×1102130442² = 2429383022366230728, which contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 4066767 + ... + 4067037.

It is an arithmetic number, because the mean of its divisors is an integer number (15697800).

Almost surely, 2^1102130442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102130442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506988800).

1102130442 is an abundant number, since it is smaller than the sum of its proper divisors (1911847158).

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

1102130442 is a wasteful number, since it uses less digits than its factorization.

1102130442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 365 counting only the distinct ones).

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

The square root of 1102130442 is about 33198.3499891184. The cubic root of 1102130442 is about 1032.9461138360.

Adding to 1102130442 its reverse (2440312011), we get a palindrome (3542442453).

The spelling of 1102130442 in words is "one billion, one hundred two million, one hundred thirty thousand, four hundred forty-two".