1290025 has 12 divisors (see below), whose sum is σ = 1745424. Its totient is φ = 938000.

The previous prime is 1290019. The next prime is 1290031. The reversal of 1290025 is 5200921.

It is an interprime number because it is at equal distance from previous prime (1290019) and next prime (1290031).

It is not a de Polignac number, because 1290025 - 2⁹ = 1289513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1289984 and 1290011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2071 + ... + 2620.

It is an arithmetic number, because the mean of its divisors is an integer number (145452).

2^1290025 is an apocalyptic number.

It is an amenable number.

1290025 is a deficient number, since it is larger than the sum of its proper divisors (455399).

1290025 is a wasteful number, since it uses less digits than its factorization.

1290025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1290025 is about 1135.7926747431. The cubic root of 1290025 is about 108.8594265625.

Adding to 1290025 its reverse (5200921), we get a palindrome (6490946).

The spelling of 1290025 in words is "one million, two hundred ninety thousand, twenty-five".