120151489 has 2 divisors, whose sum is σ = 120151490. Its totient is φ = 120151488.

The previous prime is 120151483. The next prime is 120151523. The reversal of 120151489 is 984151021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 52780225 = 8208^2 + 7265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120151489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120151489.

It is not a weakly prime, because it can be changed into another prime (120151483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60075744 + 60075745.

It is an arithmetic number, because the mean of its divisors is an integer number (60075745).

Almost surely, 2^120151489 is an apocalyptic number.

It is an amenable number.

120151489 is a deficient number, since it is larger than the sum of its proper divisors (1).

120151489 is an equidigital number, since it uses as much as digits as its factorization.

120151489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 120151489 is about 10961.3634644601. The cubic root of 120151489 is about 493.4498853647.

The spelling of 120151489 in words is "one hundred twenty million, one hundred fifty-one thousand, four hundred eighty-nine".