1872387242 has 16 divisors (see below), whose sum is σ = 3244136832. Its totient is φ = 801021120.

The previous prime is 1872387239. The next prime is 1872387263. The reversal of 1872387242 is 2427832781.

It is a junction number, because it is equal to n+sod(n) for n = 1872387193 and 1872387202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502818 + ... + 2503565.

It is an arithmetic number, because the mean of its divisors is an integer number (202758552).

Almost surely, 2^1872387242 is an apocalyptic number.

1872387242 is a deficient number, since it is larger than the sum of its proper divisors (1371749590).

1872387242 is a wasteful number, since it uses less digits than its factorization.

1872387242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006413.

The product of its digits is 301056, while the sum is 44.

The square root of 1872387242 is about 43271.0901411092. The cubic root of 1872387242 is about 1232.5330051081.

The spelling of 1872387242 in words is "one billion, eight hundred seventy-two million, three hundred eighty-seven thousand, two hundred forty-two".