1240197 has 16 divisors (see below), whose sum is σ = 1918080. Its totient is φ = 698112.

The previous prime is 1240193. The next prime is 1240199. The reversal of 1240197 is 7910421.

It is not a de Polignac number, because 1240197 - 2² = 1240193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240193) 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, 1129 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (119880).

2^1240197 is an apocalyptic number.

It is an amenable number.

1240197 is a deficient number, since it is larger than the sum of its proper divisors (677883).

1240197 is an equidigital number, since it uses as much as digits as its factorization.

1240197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1240197 is about 1113.6413246643. The cubic root of 1240197 is about 107.4393961633.

The spelling of 1240197 in words is "one million, two hundred forty thousand, one hundred ninety-seven".