140121027 has 6 divisors (see below), whose sum is σ = 202397052. Its totient is φ = 93414012.

The previous prime is 140120999. The next prime is 140121049. The reversal of 140121027 is 720121041.

It is not a de Polignac number, because 140121027 - 2⁶ = 140120963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140121077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7784493 + ... + 7784510.

It is an arithmetic number, because the mean of its divisors is an integer number (33732842).

Almost surely, 2^140121027 is an apocalyptic number.

140121027 is a deficient number, since it is larger than the sum of its proper divisors (62276025).

140121027 is a wasteful number, since it uses less digits than its factorization.

140121027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15569009 (or 15569006 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 140121027 is about 11837.2727855702. The cubic root of 140121027 is about 519.3989937522.

Adding to 140121027 its reverse (720121041), we get a palindrome (860242068).

The spelling of 140121027 in words is "one hundred forty million, one hundred twenty-one thousand, twenty-seven".