1258103902 has 16 divisors (see below), whose sum is σ = 2064836592. Its totient is φ = 570165120.

The previous prime is 1258103893. The next prime is 1258103909. The reversal of 1258103902 is 2093018521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258103909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77433 + ... + 92260.

It is an arithmetic number, because the mean of its divisors is an integer number (129052287).

Almost surely, 2^1258103902 is an apocalyptic number.

1258103902 is a deficient number, since it is larger than the sum of its proper divisors (806732690).

1258103902 is a wasteful number, since it uses less digits than its factorization.

1258103902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170043.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1258103902 is about 35469.7603882518. The cubic root of 1258103902 is about 1079.5402426944.

The spelling of 1258103902 in words is "one billion, two hundred fifty-eight million, one hundred three thousand, nine hundred two".