102903012 has 144 divisors (see below), whose sum is σ = 296325120. Its totient is φ = 29937600.

The previous prime is 102902977. The next prime is 102903013. The reversal of 102903012 is 210309201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102903013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487587 + ... + 487797.

Almost surely, 2^102903012 is an apocalyptic number.

102903012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102903012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148162560).

102903012 is an abundant number, since it is smaller than the sum of its proper divisors (193422108).

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

102903012 is a wasteful number, since it uses less digits than its factorization.

102903012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 102903012 is about 10144.1121839223. The cubic root of 102903012 is about 468.6076371944.

The spelling of 102903012 in words is "one hundred two million, nine hundred three thousand, twelve".