152120501 has 4 divisors (see below), whose sum is σ = 163822092. Its totient is φ = 140418912.

The previous prime is 152120497. The next prime is 152120513. The reversal of 152120501 is 105021251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105021251 = 257 ⋅408643.

It can be written as a sum of positive squares in 2 ways, for example, as 56100100 + 96020401 = 7490^2 + 9799^2 .

It is a cyclic number.

It is not a de Polignac number, because 152120501 - 2² = 152120497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152120501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152120531) 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, 5850776 + ... + 5850801.

It is an arithmetic number, because the mean of its divisors is an integer number (40955523).

Almost surely, 2^152120501 is an apocalyptic number.

It is an amenable number.

152120501 is a deficient number, since it is larger than the sum of its proper divisors (11701591).

152120501 is a wasteful number, since it uses less digits than its factorization.

152120501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701590.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 152120501 is about 12333.7139986299. The cubic root of 152120501 is about 533.8213210313.

Adding to 152120501 its reverse (105021251), we get a palindrome (257141752).

It can be divided in two parts, 1521 and 20501, that added together give a palindrome (22022).

The spelling of 152120501 in words is "one hundred fifty-two million, one hundred twenty thousand, five hundred one".