1021242052 has 24 divisors (see below), whose sum is σ = 1859379200. Its totient is φ = 490250880.

The previous prime is 1021242031. The next prime is 1021242059. The reversal of 1021242052 is 2502421201.

It is not an unprimeable number, because it can be changed into a prime (1021242059) 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, 16677 + ... + 48172.

Almost surely, 2^1021242052 is an apocalyptic number.

It is an amenable number.

1021242052 is a deficient number, since it is larger than the sum of its proper divisors (838137148).

1021242052 is a wasteful number, since it uses less digits than its factorization.

1021242052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65011 (or 65009 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1021242052 is about 31956.8780077153. The cubic root of 1021242052 is about 1007.0311313267.

Adding to 1021242052 its reverse (2502421201), we get a palindrome (3523663253).

The spelling of 1021242052 in words is "one billion, twenty-one million, two hundred forty-two thousand, fifty-two".