1201451365 has 16 divisors (see below), whose sum is σ = 1483050240. Its totient is φ = 933917760.

The previous prime is 1201451359. The next prime is 1201451389. The reversal of 1201451365 is 5631541021.

It is not a de Polignac number, because 1201451365 - 2³ = 1201451357 is a prime.

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, 14275 + ... + 51055.

It is an arithmetic number, because the mean of its divisors is an integer number (92690640).

Almost surely, 2^1201451365 is an apocalyptic number.

It is an amenable number.

1201451365 is a deficient number, since it is larger than the sum of its proper divisors (281598875).

1201451365 is a wasteful number, since it uses less digits than its factorization.

1201451365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36972.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1201451365 is about 34661.9584703461. The cubic root of 1201451365 is about 1063.0868147605.

Adding to 1201451365 its reverse (5631541021), we get a palindrome (6832992386).

The spelling of 1201451365 in words is "one billion, two hundred one million, four hundred fifty-one thousand, three hundred sixty-five".