151257105 has 16 divisors (see below), whose sum is σ = 268901760. Its totient is φ = 80670384.

The previous prime is 151257089. The next prime is 151257107. The reversal of 151257105 is 501752151.

It is not a de Polignac number, because 151257105 - 2⁴ = 151257089 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151257107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560077 + ... + 560346.

It is an arithmetic number, because the mean of its divisors is an integer number (16806360).

Almost surely, 2^151257105 is an apocalyptic number.

151257105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151257105 is a deficient number, since it is larger than the sum of its proper divisors (117644655).

151257105 is a wasteful number, since it uses less digits than its factorization.

151257105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120437 (or 1120431 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 151257105 is about 12298.6627321835. The cubic root of 151257105 is about 532.8094610669.

The spelling of 151257105 in words is "one hundred fifty-one million, two hundred fifty-seven thousand, one hundred five".