151120609 has 2 divisors, whose sum is σ = 151120610. Its totient is φ = 151120608.

The previous prime is 151120597. The next prime is 151120621. The reversal of 151120609 is 906021151.

It is a balanced prime because it is at equal distance from previous prime (151120597) and next prime (151120621).

It can be written as a sum of positive squares in only one way, i.e., 91011600 + 60109009 = 9540^2 + 7753^2 .

It is a cyclic number.

It is not a de Polignac number, because 151120609 - 2⁷ = 151120481 is a prime.

It is not a weakly prime, because it can be changed into another prime (151120639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75560304 + 75560305.

It is an arithmetic number, because the mean of its divisors is an integer number (75560305).

Almost surely, 2^151120609 is an apocalyptic number.

It is an amenable number.

151120609 is a deficient number, since it is larger than the sum of its proper divisors (1).

151120609 is an equidigital number, since it uses as much as digits as its factorization.

151120609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 151120609 is about 12293.1122584966. The cubic root of 151120609 is about 532.6491418816.

The spelling of 151120609 in words is "one hundred fifty-one million, one hundred twenty thousand, six hundred nine".