1401225 has 48 divisors (see below), whose sum is σ = 2821248. Its totient is φ = 599040.

The previous prime is 1401217. The next prime is 1401233. The reversal of 1401225 is 5221041.

It is an interprime number because it is at equal distance from previous prime (1401217) and next prime (1401233).

It is not a de Polignac number, because 1401225 - 2³ = 1401217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a Curzon number.

1401225 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8847 + ... + 9003.

It is an arithmetic number, because the mean of its divisors is an integer number (58776).

2^1401225 is an apocalyptic number.

1401225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1401225 is an abundant number, since it is smaller than the sum of its proper divisors (1420023).

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

1401225 is a wasteful number, since it uses less digits than its factorization.

1401225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1401225 is about 1183.7335004130. The cubic root of 1401225 is about 111.9015131236.

Adding to 1401225 its reverse (5221041), we get a palindrome (6622266).

The spelling of 1401225 in words is "one million, four hundred one thousand, two hundred twenty-five".