1295550 has 36 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 345360.

The previous prime is 1295549. The next prime is 1295551. The reversal of 1295550 is 555921.

It is an interprime number because it is at equal distance from previous prime (1295549) and next prime (1295551).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 990 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (96720).

2^1295550 is an apocalyptic number.

1295550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1295550 is an abundant number, since it is smaller than the sum of its proper divisors (2186370).

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

1295550 is a wasteful number, since it uses less digits than its factorization.

1295550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2889 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 1295550 is about 1138.2222981474. Note that the first 4 decimals coincide. The cubic root of 1295550 is about 109.0146152161.

The spelling of 1295550 in words is "one million, two hundred ninety-five thousand, five hundred fifty".