42920903 has 8 divisors (see below), whose sum is σ = 45849888. Its totient is φ = 40036864.

The previous prime is 42920897. The next prime is 42920909. The reversal of 42920903 is 30902924.

It is an interprime number because it is at equal distance from previous prime (42920897) and next prime (42920909).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42920903 - 2⁴ = 42920887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42920909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9251 + ... + 13092.

It is an arithmetic number, because the mean of its divisors is an integer number (5731236).

Almost surely, 2^42920903 is an apocalyptic number.

42920903 is a deficient number, since it is larger than the sum of its proper divisors (2928985).

42920903 is a wasteful number, since it uses less digits than its factorization.

42920903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22473.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 42920903 is about 6551.4046585446. The cubic root of 42920903 is about 350.1248615731.

The spelling of 42920903 in words is "forty-two million, nine hundred twenty thousand, nine hundred three".