420922141 has 4 divisors (see below), whose sum is σ = 430711072. Its totient is φ = 411133212.

The previous prime is 420922111. The next prime is 420922157. The reversal of 420922141 is 141229024.

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 420922141 - 2¹⁵ = 420889373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420922111) 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, 4894401 + ... + 4894486.

It is an arithmetic number, because the mean of its divisors is an integer number (107677768).

Almost surely, 2^420922141 is an apocalyptic number.

It is an amenable number.

420922141 is a deficient number, since it is larger than the sum of its proper divisors (9788931).

420922141 is an equidigital number, since it uses as much as digits as its factorization.

420922141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788930.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 420922141 is about 20516.3871332162. The cubic root of 420922141 is about 749.4349171636.

The spelling of 420922141 in words is "four hundred twenty million, nine hundred twenty-two thousand, one hundred forty-one".