1021234001 has 16 divisors (see below), whose sum is σ = 1070288640. Its totient is φ = 973639680.

The previous prime is 1021233991. The next prime is 1021234057. The reversal of 1021234001 is 1004321201.

It is a cyclic number.

It is not a de Polignac number, because 1021234001 - 2⁶ = 1021233937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1021234061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305105 + ... + 308433.

It is an arithmetic number, because the mean of its divisors is an integer number (66893040).

Almost surely, 2^1021234001 is an apocalyptic number.

It is an amenable number.

1021234001 is a deficient number, since it is larger than the sum of its proper divisors (49054639).

1021234001 is a wasteful number, since it uses less digits than its factorization.

1021234001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1021234001 is about 31956.7520408442. The cubic root of 1021234001 is about 1007.0284849972.

Adding to 1021234001 its reverse (1004321201), we get a palindrome (2025555202).

The spelling of 1021234001 in words is "one billion, twenty-one million, two hundred thirty-four thousand, one".