421151027 has 32 divisors (see below), whose sum is σ = 489093120. Its totient is φ = 362128800.

The previous prime is 421151023. The next prime is 421151041. The reversal of 421151027 is 720151124.

It is not a de Polignac number, because 421151027 - 2² = 421151023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421150993 and 421151011.

It is not an unprimeable number, because it can be changed into a prime (421151023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2434313 + ... + 2434485.

It is an arithmetic number, because the mean of its divisors is an integer number (15284160).

Almost surely, 2^421151027 is an apocalyptic number.

421151027 is a deficient number, since it is larger than the sum of its proper divisors (67942093).

421151027 is a wasteful number, since it uses less digits than its factorization.

421151027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 421151027 is about 20521.9645014799. The cubic root of 421151027 is about 749.5707333167.

The spelling of 421151027 in words is "four hundred twenty-one million, one hundred fifty-one thousand, twenty-seven".