1200380761 has 8 divisors (see below), whose sum is σ = 1274538240. Its totient is φ = 1126617408.

The previous prime is 1200380749. The next prime is 1200380773. The reversal of 1200380761 is 1670830021.

It is an interprime number because it is at equal distance from previous prime (1200380749) and next prime (1200380773).

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

It is a cyclic number.

It is not a de Polignac number, because 1200380761 - 2¹⁹ = 1199856473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200380161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92241 + ... + 104446.

It is an arithmetic number, because the mean of its divisors is an integer number (159317280).

Almost surely, 2^1200380761 is an apocalyptic number.

It is an amenable number.

1200380761 is a deficient number, since it is larger than the sum of its proper divisors (74157479).

1200380761 is a wasteful number, since it uses less digits than its factorization.

1200380761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197063.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1200380761 is about 34646.5115271365. The cubic root of 1200380761 is about 1062.7709514470.

The spelling of 1200380761 in words is "one billion, two hundred million, three hundred eighty thousand, seven hundred sixty-one".