1292252403 has 16 divisors (see below), whose sum is σ = 1862161056. Its totient is φ = 792395520.

The previous prime is 1292252393. The next prime is 1292252407. The reversal of 1292252403 is 3042522921.

It is not a de Polignac number, because 1292252403 - 2⁴ = 1292252387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1292252407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48000 + ... + 69917.

It is an arithmetic number, because the mean of its divisors is an integer number (116385066).

Almost surely, 2^1292252403 is an apocalyptic number.

1292252403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1292252403 is a deficient number, since it is larger than the sum of its proper divisors (569908653).

1292252403 is a wasteful number, since it uses less digits than its factorization.

1292252403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118214.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1292252403 is about 35947.9123594125. The cubic root of 1292252403 is about 1089.2204405500.

The spelling of 1292252403 in words is "one billion, two hundred ninety-two million, two hundred fifty-two thousand, four hundred three".