1292025 has 48 divisors (see below), whose sum is σ = 2571264. Its totient is φ = 559680.

The previous prime is 1292023. The next prime is 1292029. The reversal of 1292025 is 5202921.

It is not a de Polignac number, because 1292025 - 2¹ = 1292023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1291992 and 1292010.

It is not an unprimeable number, because it can be changed into a prime (1292023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12022 + ... + 12128.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2^1292025 is an apocalyptic number.

1292025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1292025 is a deficient number, since it is larger than the sum of its proper divisors (1279239).

1292025 is a wasteful number, since it uses less digits than its factorization.

1292025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1292025 is about 1136.6727761322. The cubic root of 1292025 is about 108.9156545260.

Adding to 1292025 its reverse (5202921), we get a palindrome (6494946).

The spelling of 1292025 in words is "one million, two hundred ninety-two thousand, twenty-five".