1872240097 has 32 divisors (see below), whose sum is σ = 2365977600. Its totient is φ = 1442173248.

The previous prime is 1872240061. The next prime is 1872240127. The reversal of 1872240097 is 7900422781.

It is a cyclic number.

It is not a de Polignac number, because 1872240097 - 2¹⁹ = 1871715809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1872240037) 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 31 ways as a sum of consecutive naturals, for example, 572854 + ... + 576112.

It is an arithmetic number, because the mean of its divisors is an integer number (73936800).

Almost surely, 2^1872240097 is an apocalyptic number.

It is an amenable number.

1872240097 is a deficient number, since it is larger than the sum of its proper divisors (493737503).

1872240097 is a wasteful number, since it uses less digits than its factorization.

1872240097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1872240097 is about 43269.3898385452. The cubic root of 1872240097 is about 1232.5007173035.

The spelling of 1872240097 in words is "one billion, eight hundred seventy-two million, two hundred forty thousand, ninety-seven".