150120029 has 4 divisors (see below), whose sum is σ = 150269820. Its totient is φ = 149970240.

The previous prime is 150120017. The next prime is 150120031. The reversal of 150120029 is 920021051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920021051 = 7573 ⋅121487.

It can be written as a sum of positive squares in 2 ways, for example, as 76125625 + 73994404 = 8725^2 + 8602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150120029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150120059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73382 + ... + 75399.

It is an arithmetic number, because the mean of its divisors is an integer number (37567455).

Almost surely, 2^150120029 is an apocalyptic number.

It is an amenable number.

150120029 is a deficient number, since it is larger than the sum of its proper divisors (149791).

150120029 is a wasteful number, since it uses less digits than its factorization.

150120029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149790.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 150120029 is about 12252.3478974440. The cubic root of 150120029 is about 531.4709688569.

The spelling of 150120029 in words is "one hundred fifty million, one hundred twenty thousand, twenty-nine".