1187068445 has 16 divisors (see below), whose sum is σ = 1434510000. Its totient is φ = 942993408.

The previous prime is 1187068439. The next prime is 1187068451. The reversal of 1187068445 is 5448607811.

It is an interprime number because it is at equal distance from previous prime (1187068439) and next prime (1187068451).

It can be written as a sum of positive squares in 8 ways, for example, as 204747481 + 982320964 = 14309^2 + 31342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1187068445 - 2²⁰ = 1186019869 is a prime.

It is a super-2 number, since 2×1187068445² = 2818262986229436050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1187068396 and 1187068405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512951 + ... + 515259.

It is an arithmetic number, because the mean of its divisors is an integer number (89656875).

Almost surely, 2^1187068445 is an apocalyptic number.

It is an amenable number.

1187068445 is a deficient number, since it is larger than the sum of its proper divisors (247441555).

1187068445 is a wasteful number, since it uses less digits than its factorization.

1187068445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 1187068445 is about 34453.8596531651. The cubic root of 1187068445 is about 1058.8276004615.

The spelling of 1187068445 in words is "one billion, one hundred eighty-seven million, sixty-eight thousand, four hundred forty-five".