1140042102 has 16 divisors (see below), whose sum is σ = 2281677312. Its totient is φ = 379748520.

The previous prime is 1140042089. The next prime is 1140042103. The reversal of 1140042102 is 2012400411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140042103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56974 + ... + 74337.

It is an arithmetic number, because the mean of its divisors is an integer number (142604832).

Almost surely, 2^1140042102 is an apocalyptic number.

1140042102 is an abundant number, since it is smaller than the sum of its proper divisors (1141635210).

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

1140042102 is a wasteful number, since it uses less digits than its factorization.

1140042102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132763.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1140042102 is about 33764.5095033232. The cubic root of 1140042102 is about 1044.6567867806.

Adding to 1140042102 its reverse (2012400411), we get a palindrome (3152442513).

The spelling of 1140042102 in words is "one billion, one hundred forty million, forty-two thousand, one hundred two".