1021245441 has 16 divisors (see below), whose sum is σ = 1378925760. Its totient is φ = 672235200.

The previous prime is 1021245413. The next prime is 1021245461. The reversal of 1021245441 is 1445421201.

It is not a de Polignac number, because 1021245441 - 2⁶ = 1021245377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1021245461) 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, 110391 + ... + 119283.

It is an arithmetic number, because the mean of its divisors is an integer number (86182860).

Almost surely, 2^1021245441 is an apocalyptic number.

It is an amenable number.

1021245441 is a deficient number, since it is larger than the sum of its proper divisors (357680319).

1021245441 is a wasteful number, since it uses less digits than its factorization.

1021245441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1021245441 is about 31956.9310322503. The cubic root of 1021245441 is about 1007.0322452725.

Adding to 1021245441 its reverse (1445421201), we get a palindrome (2466666642).

The spelling of 1021245441 in words is "one billion, twenty-one million, two hundred forty-five thousand, four hundred forty-one".