1227401 has 12 divisors (see below), whose sum is σ = 1468548. Its totient is φ = 1022112.

The previous prime is 1227379. The next prime is 1227407. The reversal of 1227401 is 1047221.

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 50176 = 1085^2 + 224^2 .

It is not a de Polignac number, because 1227401 - 2⁶ = 1227337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1227401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1475 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (122379).

2^1227401 is an apocalyptic number.

It is an amenable number.

1227401 is a deficient number, since it is larger than the sum of its proper divisors (241147).

1227401 is an equidigital number, since it uses as much as digits as its factorization.

1227401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1227401 is about 1107.8813113326. The cubic root of 1227401 is about 107.0686082831.

The spelling of 1227401 in words is "one million, two hundred twenty-seven thousand, four hundred one".