1253000390 has 64 divisors (see below), whose sum is σ = 2390204160. Its totient is φ = 472227840.

The previous prime is 1253000389. The next prime is 1253000407. The reversal of 1253000390 is 930003521.

It is a happy number.

It is a super-3 number, since 3×1253000390³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3413987 + ... + 3414353.

It is an arithmetic number, because the mean of its divisors is an integer number (37346940).

Almost surely, 2^1253000390 is an apocalyptic number.

1253000390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253000390 is a deficient number, since it is larger than the sum of its proper divisors (1137203770).

1253000390 is a wasteful number, since it uses less digits than its factorization.

1253000390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 1253000390 is about 35397.7455496816. The cubic root of 1253000390 is about 1078.0785422423.

The spelling of 1253000390 in words is "one billion, two hundred fifty-three million, three hundred ninety", and thus it is an aban number.