1140423102 has 192 divisors, whose sum is σ = 3229384704. Its totient is φ = 282735360.

The previous prime is 1140423061. The next prime is 1140423103. The reversal of 1140423102 is 2013240411.

1140423102 is a `hidden beast` number, since 1 + 140 + 423 + 102 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140423103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1878483 + ... + 1879089.

It is an arithmetic number, because the mean of its divisors is an integer number (16819712).

Almost surely, 2^1140423102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140423102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1614692352).

1140423102 is an abundant number, since it is smaller than the sum of its proper divisors (2088961602).

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

1140423102 is a wasteful number, since it uses less digits than its factorization.

1140423102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 700 counting only the distinct ones).

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

The square root of 1140423102 is about 33770.1510508911. The cubic root of 1140423102 is about 1044.7731479526.

Adding to 1140423102 its reverse (2013240411), we get a palindrome (3153663513).

The spelling of 1140423102 in words is "one billion, one hundred forty million, four hundred twenty-three thousand, one hundred two".