1101142042 has 64 divisors (see below), whose sum is σ = 2228373504. Its totient is φ = 394107840.

The previous prime is 1101142033. The next prime is 1101142051. The reversal of 1101142042 is 2402411011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1101142033) and next prime (1101142051).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453243 + ... + 455665.

It is an arithmetic number, because the mean of its divisors is an integer number (34818336).

Almost surely, 2^1101142042 is an apocalyptic number.

1101142042 is an abundant number, since it is smaller than the sum of its proper divisors (1127231462).

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

1101142042 is a wasteful number, since it uses less digits than its factorization.

1101142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1101142042 is about 33183.4603680810. The cubic root of 1101142042 is about 1032.6372365153.

Adding to 1101142042 its reverse (2402411011), we get a palindrome (3503553053).

The spelling of 1101142042 in words is "one billion, one hundred one million, one hundred forty-two thousand, forty-two".