42990119 has 4 divisors (see below), whose sum is σ = 43063944. Its totient is φ = 42916296.

The previous prime is 42990107. The next prime is 42990121. The reversal of 42990119 is 91109924.

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 42990119 - 2¹² = 42986023 is a prime.

It is a super-2 number, since 2×42990119² = 3696300663268322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42990319) 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, 36032 + ... + 37205.

It is an arithmetic number, because the mean of its divisors is an integer number (10765986).

Almost surely, 2^42990119 is an apocalyptic number.

42990119 is a deficient number, since it is larger than the sum of its proper divisors (73825).

42990119 is an equidigital number, since it uses as much as digits as its factorization.

42990119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73824.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 42990119 is about 6556.6850618281. The cubic root of 42990119 is about 350.3129690401.

The spelling of 42990119 in words is "forty-two million, nine hundred ninety thousand, one hundred nineteen".