1021241023 has 8 divisors (see below), whose sum is σ = 1122587136. Its totient is φ = 921312600.

The previous prime is 1021240981. The next prime is 1021241027. The reversal of 1021241023 is 3201421201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021241023 - 2²⁵ = 987686591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021240988 and 1021241006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021241027) 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, 352911 + ... + 355792.

It is an arithmetic number, because the mean of its divisors is an integer number (140323392).

Almost surely, 2^1021241023 is an apocalyptic number.

1021241023 is a deficient number, since it is larger than the sum of its proper divisors (101346113).

1021241023 is a wasteful number, since it uses less digits than its factorization.

1021241023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708845.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1021241023 is about 31956.8619078908. The cubic root of 1021241023 is about 1007.0307930995.

Adding to 1021241023 its reverse (3201421201), we get a palindrome (4222662224).

The spelling of 1021241023 in words is "one billion, twenty-one million, two hundred forty-one thousand, twenty-three".