420121037 has 4 divisors (see below), whose sum is σ = 480138336. Its totient is φ = 360103740.

The previous prime is 420121033. The next prime is 420121043. The reversal of 420121037 is 730121024.

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 420121037 - 2² = 420121033 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 (420121033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30008639 + ... + 30008652.

It is an arithmetic number, because the mean of its divisors is an integer number (120034584).

Almost surely, 2^420121037 is an apocalyptic number.

It is an amenable number.

420121037 is a deficient number, since it is larger than the sum of its proper divisors (60017299).

420121037 is an equidigital number, since it uses as much as digits as its factorization.

420121037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60017298.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 420121037 is about 20496.8543196267. The cubic root of 420121037 is about 748.9591707527.

The spelling of 420121037 in words is "four hundred twenty million, one hundred twenty-one thousand, thirty-seven".