1041870621 has 24 divisors (see below), whose sum is σ = 1531159840. Its totient is φ = 629687520.

The previous prime is 1041870589. The next prime is 1041870631. The reversal of 1041870621 is 1260781401.

It is not a de Polignac number, because 1041870621 - 2⁵ = 1041870589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041870631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133791 + ... + 141363.

Almost surely, 2^1041870621 is an apocalyptic number.

1041870621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1041870621 is a deficient number, since it is larger than the sum of its proper divisors (489289219).

1041870621 is a wasteful number, since it uses less digits than its factorization.

1041870621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977 (or 7966 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1041870621 is about 32278.0207106941. The cubic root of 1041870621 is about 1013.7664878223.

The spelling of 1041870621 in words is "one billion, forty-one million, eight hundred seventy thousand, six hundred twenty-one".