153121077 has 16 divisors (see below), whose sum is σ = 229956480. Its totient is φ = 100681056.

The previous prime is 153121069. The next prime is 153121093. The reversal of 153121077 is 770121351.

It is a happy number.

It is not a de Polignac number, because 153121077 - 2³ = 153121069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 153121077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153121277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36873 + ... + 40814.

It is an arithmetic number, because the mean of its divisors is an integer number (14372280).

Almost surely, 2^153121077 is an apocalyptic number.

It is an amenable number.

153121077 is a deficient number, since it is larger than the sum of its proper divisors (76835403).

153121077 is an equidigital number, since it uses as much as digits as its factorization.

153121077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77769 (or 77763 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 153121077 is about 12374.2101566120. The cubic root of 153121077 is about 534.9891714698.

The spelling of 153121077 in words is "one hundred fifty-three million, one hundred twenty-one thousand, seventy-seven".