1012420242 has 32 divisors (see below), whose sum is σ = 2262274560. Its totient is φ = 335605680.

The previous prime is 1012420229. The next prime is 1012420259. The reversal of 1012420242 is 2420242101.

1012420242 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 420 + 242 = 666.

It is a super-2 number, since 2×1012420242² = 2049989492822677128, which contains 22 as substring.

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, 42018 + ... + 61565.

It is an arithmetic number, because the mean of its divisors is an integer number (70696080).

Almost surely, 2^1012420242 is an apocalyptic number.

1012420242 is an abundant number, since it is smaller than the sum of its proper divisors (1249854318).

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

1012420242 is a wasteful number, since it uses less digits than its factorization.

1012420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103775 (or 103769 counting only the distinct ones).

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

The square root of 1012420242 is about 31818.5518526535. The cubic root of 1012420242 is about 1004.1230576984.

Adding to 1012420242 its reverse (2420242101), we get a palindrome (3432662343).

It can be divided in two parts, 101 and 2420242, that multiplied together give a palindrome (244444442).

The spelling of 1012420242 in words is "one billion, twelve million, four hundred twenty thousand, two hundred forty-two".