1208290042 has 4 divisors (see below), whose sum is σ = 1812435066. Its totient is φ = 604145020.

The previous prime is 1208290033. The next prime is 1208290051. The reversal of 1208290042 is 2400928021.

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

It is an interprime number because it is at equal distance from previous prime (1208290033) and next prime (1208290051).

It can be written as a sum of positive squares in only one way, i.e., 1102837681 + 105452361 = 33209^2 + 10269^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302072509 + ... + 302072512.

Almost surely, 2^1208290042 is an apocalyptic number.

1208290042 is a deficient number, since it is larger than the sum of its proper divisors (604145024).

1208290042 is an equidigital number, since it uses as much as digits as its factorization.

1208290042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604145023.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1208290042 is about 34760.4666539447. The cubic root of 1208290042 is about 1065.1000345396.

The spelling of 1208290042 in words is "one billion, two hundred eight million, two hundred ninety thousand, forty-two".