1260151 has 4 divisors (see below), whose sum is σ = 1274400. Its totient is φ = 1245904.

The previous prime is 1260143. The next prime is 1260157. The reversal of 1260151 is 1510621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1260151 - 2³ = 1260143 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6991 + ... + 7168.

It is an arithmetic number, because the mean of its divisors is an integer number (318600).

2^1260151 is an apocalyptic number.

1260151 is a deficient number, since it is larger than the sum of its proper divisors (14249).

1260151 is an equidigital number, since it uses as much as digits as its factorization.

1260151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14248.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1260151 is about 1122.5644747630. The cubic root of 1260151 is about 108.0125442677.

Adding to 1260151 its reverse (1510621), we get a palindrome (2770772).

The spelling of 1260151 in words is "one million, two hundred sixty thousand, one hundred fifty-one".