120451031 has 2 divisors, whose sum is σ = 120451032. Its totient is φ = 120451030.

The previous prime is 120450929. The next prime is 120451049. The reversal of 120451031 is 130154021.

It is a strong prime.

It is an emirp because it is prime and its reverse (130154021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120451031 is a prime.

It is a super-2 number, since 2×120451031² = 29016901737925922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120451061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60225515 + 60225516.

It is an arithmetic number, because the mean of its divisors is an integer number (60225516).

Almost surely, 2^120451031 is an apocalyptic number.

120451031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120451031 is an equidigital number, since it uses as much as digits as its factorization.

120451031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 120451031 is about 10975.0184965676. The cubic root of 120451031 is about 493.8596078620.

The spelling of 120451031 in words is "one hundred twenty million, four hundred fifty-one thousand, thirty-one".