1201566354 has 16 divisors (see below), whose sum is σ = 2427908448. Its totient is φ = 396392832.

The previous prime is 1201566323. The next prime is 1201566361. The reversal of 1201566354 is 4536651021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031692 + ... + 1032855.

It is an arithmetic number, because the mean of its divisors is an integer number (151744278).

Almost surely, 2^1201566354 is an apocalyptic number.

1201566354 is an abundant number, since it is smaller than the sum of its proper divisors (1226342094).

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

1201566354 is a wasteful number, since it uses less digits than its factorization.

1201566354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064649.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1201566354 is about 34663.6171511284. The cubic root of 1201566354 is about 1063.1207291282.

The spelling of 1201566354 in words is "one billion, two hundred one million, five hundred sixty-six thousand, three hundred fifty-four".