1295890 has 8 divisors (see below), whose sum is σ = 2332620. Its totient is φ = 518352.

The previous prime is 1295881. The next prime is 1295947. The reversal of 1295890 is 985921.

It can be written as a sum of positive squares in 2 ways, for example, as 1238769 + 57121 = 1113^2 + 239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64785 + ... + 64804.

2^1295890 is an apocalyptic number.

1295890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1295890 is a deficient number, since it is larger than the sum of its proper divisors (1036730).

1295890 is a wasteful number, since it uses less digits than its factorization.

1295890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129596.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1295890 is about 1138.3716440601. The cubic root of 1295890 is about 109.0241508644.

The spelling of 1295890 in words is "one million, two hundred ninety-five thousand, eight hundred ninety".