1397154 has 16 divisors (see below), whose sum is σ = 3048480. Its totient is φ = 423360.

The previous prime is 1397153. The next prime is 1397159. The reversal of 1397154 is 4517931.

It is not an unprimeable number, because it can be changed into a prime (1397153) 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, 10519 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (190530).

2^1397154 is an apocalyptic number.

1397154 is an abundant number, since it is smaller than the sum of its proper divisors (1651326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397154 is a wasteful number, since it uses less digits than its factorization.

1397154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21185.

The product of its digits is 3780, while the sum is 30.

The square root of 1397154 is about 1182.0126902872. The cubic root of 1397154 is about 111.7930382899.

Subtracting from 1397154 its sum of digits (30), we obtain a square (1397124 = 1182²).

It can be divided in two parts, 1397 and 154, that added together give a palindrome (1551).

The spelling of 1397154 in words is "one million, three hundred ninety-seven thousand, one hundred fifty-four".