1371045 has 32 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 658944.

The previous prime is 1371031. The next prime is 1371047. The reversal of 1371045 is 5401731.

It is not a de Polignac number, because 1371045 - 2⁶ = 1370981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15361 + ... + 15449.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^1371045 is an apocalyptic number.

1371045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1371045 is a deficient number, since it is larger than the sum of its proper divisors (1048155).

1371045 is a wasteful number, since it uses less digits than its factorization.

1371045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1371045 is about 1170.9163078547. The cubic root of 1371045 is about 111.0922858848.

Adding to 1371045 its reverse (5401731), we get a palindrome (6772776).

The spelling of 1371045 in words is "one million, three hundred seventy-one thousand, forty-five".