120140397 has 24 divisors (see below), whose sum is σ = 187675488. Its totient is φ = 73620000.

The previous prime is 120140387. The next prime is 120140429. The reversal of 120140397 is 793041021.

It is not a de Polignac number, because 120140397 - 2⁴ = 120140381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120140397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120140327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27322 + ... + 31412.

It is an arithmetic number, because the mean of its divisors is an integer number (7819812).

Almost surely, 2^120140397 is an apocalyptic number.

It is an amenable number.

120140397 is a deficient number, since it is larger than the sum of its proper divisors (67535091).

120140397 is a wasteful number, since it uses less digits than its factorization.

120140397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361 (or 4358 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 120140397 is about 10960.8574938278. The cubic root of 120140397 is about 493.4347003273.

The spelling of 120140397 in words is "one hundred twenty million, one hundred forty thousand, three hundred ninety-seven".