1021124042 has 8 divisors (see below), whose sum is σ = 1531892736. Its totient is φ = 510493132.

The previous prime is 1021124029. The next prime is 1021124081. The reversal of 1021124042 is 2404211201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1021124042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13328 + ... + 47115.

It is an arithmetic number, because the mean of its divisors is an integer number (191486592).

Almost surely, 2^1021124042 is an apocalyptic number.

1021124042 is a deficient number, since it is larger than the sum of its proper divisors (510768694).

1021124042 is an equidigital number, since it uses as much as digits as its factorization.

1021124042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68892.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1021124042 is about 31955.0315599907. The cubic root of 1021124042 is about 1006.9923405486.

Adding to 1021124042 its reverse (2404211201), we get a palindrome (3425335243).

The spelling of 1021124042 in words is "one billion, twenty-one million, one hundred twenty-four thousand, forty-two".