1201452378 has 32 divisors (see below), whose sum is σ = 2754980736. Its totient is φ = 342171648.

The previous prime is 1201452377. The next prime is 1201452433. The reversal of 1201452378 is 8732541021.

It is not an unprimeable number, because it can be changed into a prime (1201452377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32551 + ... + 58842.

It is an arithmetic number, because the mean of its divisors is an integer number (86093148).

Almost surely, 2^1201452378 is an apocalyptic number.

1201452378 is an abundant number, since it is smaller than the sum of its proper divisors (1553528358).

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

1201452378 is a wasteful number, since it uses less digits than its factorization.

1201452378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91718.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1201452378 is about 34661.9730829046. The cubic root of 1201452378 is about 1063.0871135399.

Adding to 1201452378 its reverse (8732541021), we get a palindrome (9933993399).

The spelling of 1201452378 in words is "one billion, two hundred one million, four hundred fifty-two thousand, three hundred seventy-eight".