1491245 has 16 divisors (see below), whose sum is σ = 2066688. Its totient is φ = 1011840.

The previous prime is 1491241. The next prime is 1491247. The reversal of 1491245 is 5421941.

1491245 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 1491245 - 2² = 1491241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4640 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (129168).

2^1491245 is an apocalyptic number.

It is an amenable number.

1491245 is a deficient number, since it is larger than the sum of its proper divisors (575443).

1491245 is a wasteful number, since it uses less digits than its factorization.

1491245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 1440, while the sum is 26.

The square root of 1491245 is about 1221.1654269590. The cubic root of 1491245 is about 114.2482790337.

The spelling of 1491245 in words is "one million, four hundred ninety-one thousand, two hundred forty-five".