1201425 has 24 divisors (see below), whose sum is σ = 2020704. Its totient is φ = 629760.

The previous prime is 1201381. The next prime is 1201439. The reversal of 1201425 is 5241021.

It is not a de Polignac number, because 1201425 - 2¹¹ = 1199377 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6129 + ... + 6321.

It is an arithmetic number, because the mean of its divisors is an integer number (84196).

2^1201425 is an apocalyptic number.

1201425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201425 is a deficient number, since it is larger than the sum of its proper divisors (819279).

1201425 is a wasteful number, since it uses less digits than its factorization.

1201425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 284 counting only the distinct ones).

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

The square root of 1201425 is about 1096.0953425683. The cubic root of 1201425 is about 106.3079038474.

Adding to 1201425 its reverse (5241021), we get a palindrome (6442446).

The spelling of 1201425 in words is "one million, two hundred one thousand, four hundred twenty-five".