1045903907 has 4 divisors (see below), whose sum is σ = 1046248656. Its totient is φ = 1045559160.

The previous prime is 1045903877. The next prime is 1045903927. The reversal of 1045903907 is 7093095401.

It is a happy number.

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 1045903907 - 2²⁸ = 777468451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045903927) 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 3 ways as a sum of consecutive naturals, for example, 167783 + ... + 173904.

It is an arithmetic number, because the mean of its divisors is an integer number (261562164).

Almost surely, 2^1045903907 is an apocalyptic number.

1045903907 is a deficient number, since it is larger than the sum of its proper divisors (344749).

1045903907 is an equidigital number, since it uses as much as digits as its factorization.

1045903907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344748.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1045903907 is about 32340.4376439157. The cubic root of 1045903907 is about 1015.0729665163.

The spelling of 1045903907 in words is "one billion, forty-five million, nine hundred three thousand, nine hundred seven".