1187348746 has 8 divisors (see below), whose sum is σ = 1781171424. Its totient is φ = 593624940.

The previous prime is 1187348737. The next prime is 1187348753. The reversal of 1187348746 is 6478437811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×1187348746⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1187348746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26691 + ... + 55561.

It is an arithmetic number, because the mean of its divisors is an integer number (222646428).

Almost surely, 2^1187348746 is an apocalyptic number.

1187348746 is a deficient number, since it is larger than the sum of its proper divisors (593822678).

1187348746 is a wasteful number, since it uses less digits than its factorization.

1187348746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49436.

The product of its digits is 903168, while the sum is 49.

The square root of 1187348746 is about 34457.9271866431. The cubic root of 1187348746 is about 1058.9109337855.

The spelling of 1187348746 in words is "one billion, one hundred eighty-seven million, three hundred forty-eight thousand, seven hundred forty-six".