1240102422 has 48 divisors (see below), whose sum is σ = 2916426240. Its totient is φ = 378556416.

The previous prime is 1240102403. The next prime is 1240102433. The reversal of 1240102422 is 2242010421.

1240102422 is a `hidden beast` number, since 1 + 240 + 1 + 0 + 2 + 422 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1240102395 and 1240102404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8854 + ... + 50582.

It is an arithmetic number, because the mean of its divisors is an integer number (60758880).

Almost surely, 2^1240102422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240102422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458213120).

1240102422 is an abundant number, since it is smaller than the sum of its proper divisors (1676323818).

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

1240102422 is a wasteful number, since it uses less digits than its factorization.

1240102422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41877 (or 41874 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1240102422 is about 35215.0879879633. The cubic root of 1240102422 is about 1074.3666496777.

Adding to 1240102422 its reverse (2242010421), we get a palindrome (3482112843).

The spelling of 1240102422 in words is "one billion, two hundred forty million, one hundred two thousand, four hundred twenty-two".