1260451 has 4 divisors (see below), whose sum is σ = 1264792. Its totient is φ = 1256112.

The previous prime is 1260439. The next prime is 1260461. The reversal of 1260451 is 1540621.

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 1260451 - 2⁵ = 1260419 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260401) 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, 1701 + ... + 2326.

It is an arithmetic number, because the mean of its divisors is an integer number (316198).

2^1260451 is an apocalyptic number.

1260451 is a deficient number, since it is larger than the sum of its proper divisors (4341).

1260451 is an equidigital number, since it uses as much as digits as its factorization.

1260451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1260451 is about 1122.6980894256. The cubic root of 1260451 is about 108.0211149845.

It can be divided in two parts, 1260 and 451, that added together give a triangular number (1711 = T₅₈).

The spelling of 1260451 in words is "one million, two hundred sixty thousand, four hundred fifty-one".