140121010 has 16 divisors (see below), whose sum is σ = 265492800. Its totient is φ = 53098416.

The previous prime is 140120999. The next prime is 140121049. The reversal of 140121010 is 10121041.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368550 + ... + 368929.

It is an arithmetic number, because the mean of its divisors is an integer number (16593300).

Almost surely, 2^140121010 is an apocalyptic number.

140121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140121010 is a deficient number, since it is larger than the sum of its proper divisors (125371790).

140121010 is a wasteful number, since it uses less digits than its factorization.

140121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737505.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 140121010 is about 11837.2720674993. The cubic root of 140121010 is about 519.3989727471.

Adding to 140121010 its reverse (10121041), we get a palindrome (150242051).

The spelling of 140121010 in words is "one hundred forty million, one hundred twenty-one thousand, ten".