1201408782 has 32 divisors (see below), whose sum is σ = 2834663424. Its totient is φ = 332186400.

The previous prime is 1201408771. The next prime is 1201408801. The reversal of 1201408782 is 2878041021.

It is a happy number.

It is a super-2 number, since 2×1201408782² = 2886766122933447048, which contains 22 as substring.

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, 460069 + ... + 462672.

It is an arithmetic number, because the mean of its divisors is an integer number (88583232).

Almost surely, 2^1201408782 is an apocalyptic number.

1201408782 is an abundant number, since it is smaller than the sum of its proper divisors (1633254642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201408782 is a wasteful number, since it uses less digits than its factorization.

1201408782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922784.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 1201408782 is about 34661.3442035937. The cubic root of 1201408782 is about 1063.0742549622.

The spelling of 1201408782 in words is "one billion, two hundred one million, four hundred eight thousand, seven hundred eighty-two".