1020231042 has 16 divisors (see below), whose sum is σ = 2049222240. Its totient is φ = 338616992.

The previous prime is 1020231041. The next prime is 1020231071. The reversal of 1020231042 is 2401320201.

It is not an unprimeable number, because it can be changed into a prime (1020231041) 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, 363492 + ... + 366287.

It is an arithmetic number, because the mean of its divisors is an integer number (128076390).

Almost surely, 2^1020231042 is an apocalyptic number.

1020231042 is an abundant number, since it is smaller than the sum of its proper divisors (1028991198).

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

1020231042 is a wasteful number, since it uses less digits than its factorization.

1020231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730017.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020231042 is about 31941.0557433533. The cubic root of 1020231042 is about 1006.6987077843.

Adding to 1020231042 its reverse (2401320201), we get a palindrome (3421551243).

The spelling of 1020231042 in words is "one billion, twenty million, two hundred thirty-one thousand, forty-two".