1201150651 has 8 divisors (see below), whose sum is σ = 1210784400. Its totient is φ = 1191529728.

The previous prime is 1201150609. The next prime is 1201150661. The reversal of 1201150651 is 1560511021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201150651 is a prime.

It is a super-3 number, since 3×1201150651³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201150661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285475 + ... + 289651.

It is an arithmetic number, because the mean of its divisors is an integer number (151348050).

Almost surely, 2^1201150651 is an apocalyptic number.

1201150651 is a deficient number, since it is larger than the sum of its proper divisors (9633749).

1201150651 is a wasteful number, since it uses less digits than its factorization.

1201150651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1201150651 is about 34657.6203885956. The cubic root of 1201150651 is about 1062.9981132192.

Adding to 1201150651 its reverse (1560511021), we get a palindrome (2761661672).

The spelling of 1201150651 in words is "one billion, two hundred one million, one hundred fifty thousand, six hundred fifty-one".