420001192 has 32 divisors (see below), whose sum is σ = 854784000. Its totient is φ = 192314304.

The previous prime is 420001189. The next prime is 420001199. The reversal of 420001192 is 291100024.

It is not an unprimeable number, because it can be changed into a prime (420001199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2692 + ... + 29107.

It is an arithmetic number, because the mean of its divisors is an integer number (26712000).

Almost surely, 2^420001192 is an apocalyptic number.

It is an amenable number.

420001192 is an abundant number, since it is smaller than the sum of its proper divisors (434782808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420001192 is a wasteful number, since it uses less digits than its factorization.

420001192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31945 (or 31941 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 420001192 is about 20493.9306137207. The cubic root of 420001192 is about 748.8879471923.

The spelling of 420001192 in words is "four hundred twenty million, one thousand, one hundred ninety-two".