1240030242 has 32 divisors (see below), whose sum is σ = 3006135360. Its totient is φ = 375766560.

The previous prime is 1240030223. The next prime is 1240030261. The reversal of 1240030242 is 2420300421.

It is an interprime number because it is at equal distance from previous prime (1240030223) and next prime (1240030261).

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 15 ways as a sum of consecutive naturals, for example, 1043203 + ... + 1044390.

It is an arithmetic number, because the mean of its divisors is an integer number (93941730).

Almost surely, 2^1240030242 is an apocalyptic number.

1240030242 is an abundant number, since it is smaller than the sum of its proper divisors (1766105118).

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

1240030242 is a wasteful number, since it uses less digits than its factorization.

1240030242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087615 (or 2087609 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1240030242 is about 35214.0631282447. The cubic root of 1240030242 is about 1074.3458048163.

Adding to 1240030242 its reverse (2420300421), we get a palindrome (3660330663).

The spelling of 1240030242 in words is "one billion, two hundred forty million, thirty thousand, two hundred forty-two".