1041245421 has 4 divisors (see below), whose sum is σ = 1388327232. Its totient is φ = 694163612.

The previous prime is 1041245399. The next prime is 1041245423. The reversal of 1041245421 is 1245421401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1041245421 - 2¹⁴ = 1041229037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1041245391 and 1041245400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041245423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173540901 + ... + 173540906.

It is an arithmetic number, because the mean of its divisors is an integer number (347081808).

Almost surely, 2^1041245421 is an apocalyptic number.

It is an amenable number.

1041245421 is a deficient number, since it is larger than the sum of its proper divisors (347081811).

1041245421 is an equidigital number, since it uses as much as digits as its factorization.

1041245421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347081810.

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

The square root of 1041245421 is about 32268.3346486924. The cubic root of 1041245421 is about 1013.5636687726.

Adding to 1041245421 its reverse (1245421401), we get a palindrome (2286666822).

The spelling of 1041245421 in words is "one billion, forty-one million, two hundred forty-five thousand, four hundred twenty-one".