1021142024 has 32 divisors (see below), whose sum is σ = 2189229120. Its totient is φ = 437418816.

The previous prime is 1021141993. The next prime is 1021142039. The reversal of 1021142024 is 4202411201.

It is a junction number, because it is equal to n+sod(n) for n = 1021141993 and 1021142011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176522 + ... + 182214.

It is an arithmetic number, because the mean of its divisors is an integer number (68413410).

Almost surely, 2^1021142024 is an apocalyptic number.

1021142024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1021142024 is an abundant number, since it is smaller than the sum of its proper divisors (1168087096).

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

1021142024 is a wasteful number, since it uses less digits than its factorization.

1021142024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8909 (or 8905 counting only the distinct ones).

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

The square root of 1021142024 is about 31955.3129228928. The cubic root of 1021142024 is about 1006.9982515607.

Adding to 1021142024 its reverse (4202411201), we get a palindrome (5223553225).

The spelling of 1021142024 in words is "one billion, twenty-one million, one hundred forty-two thousand, twenty-four".