1187068444 has 6 divisors (see below), whose sum is σ = 2077369784. Its totient is φ = 593534220.

The previous prime is 1187068439. The next prime is 1187068451. The reversal of 1187068444 is 4448607811.

It is a happy number.

It is a super-2 number, since 2×1187068444² = 2818262981481162272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1187068444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148383552 + ... + 148383559.

Almost surely, 2^1187068444 is an apocalyptic number.

It is an amenable number.

1187068444 is a deficient number, since it is larger than the sum of its proper divisors (890301340).

1187068444 is a wasteful number, since it uses less digits than its factorization.

1187068444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296767115 (or 296767113 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 1187068444 is about 34453.8596386530. The cubic root of 1187068444 is about 1058.8276001642.

The spelling of 1187068444 in words is "one billion, one hundred eighty-seven million, sixty-eight thousand, four hundred forty-four".