1281700201 has 16 divisors (see below), whose sum is σ = 1323134208. Its totient is φ = 1241136000.

The previous prime is 1281700181. The next prime is 1281700207. The reversal of 1281700201 is 1020071821.

It is a cyclic number.

It is not a de Polignac number, because 1281700201 - 2⁷ = 1281700073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1281700207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965200 + ... + 966526.

It is an arithmetic number, because the mean of its divisors is an integer number (82695888).

Almost surely, 2^1281700201 is an apocalyptic number.

It is an amenable number.

1281700201 is a deficient number, since it is larger than the sum of its proper divisors (41434007).

1281700201 is a wasteful number, since it uses less digits than its factorization.

1281700201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 1281700201 is about 35800.8407862162. The cubic root of 1281700201 is about 1086.2475688971.

The spelling of 1281700201 in words is "one billion, two hundred eighty-one million, seven hundred thousand, two hundred one".