1072903 has 4 divisors (see below), whose sum is σ = 1155448. Its totient is φ = 990360.

The previous prime is 1072901. The next prime is 1072919. The reversal of 1072903 is 3092701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1072903 - 2¹ = 1072901 is a prime.

It is a super-2 number, since 2×1072903² = 2302241694818, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1072903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41253 + ... + 41278.

It is an arithmetic number, because the mean of its divisors is an integer number (288862).

2^1072903 is an apocalyptic number.

1072903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1072903 is a deficient number, since it is larger than the sum of its proper divisors (82545).

1072903 is an equidigital number, since it uses as much as digits as its factorization.

1072903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82544.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1072903 is about 1035.8103108195. The cubic root of 1072903 is about 102.3733275563.

The spelling of 1072903 in words is "one million, seventy-two thousand, nine hundred three".