1260457 has 8 divisors (see below), whose sum is σ = 1387872. Its totient is φ = 1144660.

The previous prime is 1260439. The next prime is 1260461. The reversal of 1260457 is 7540621.

It is not a de Polignac number, because 1260457 - 2¹¹ = 1258409 is a prime.

It is a Duffinian number.

1260457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1260437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858 + ... + 1804.

It is an arithmetic number, because the mean of its divisors is an integer number (173484).

2^1260457 is an apocalyptic number.

It is an amenable number.

1260457 is a deficient number, since it is larger than the sum of its proper divisors (127415).

1260457 is an frugal number, since it uses more digits than its factorization.

1260457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1260457 is about 1122.7007615567. The cubic root of 1260457 is about 108.0212863850.

The spelling of 1260457 in words is "one million, two hundred sixty thousand, four hundred fifty-seven".