1201280151 has 8 divisors (see below), whose sum is σ = 1602104944. Its totient is φ = 800654400.

The previous prime is 1201280131. The next prime is 1201280153. The reversal of 1201280151 is 1510821021.

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

It is not a de Polignac number, because 1201280151 - 2⁷ = 1201280023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201280153) 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, 35056 + ... + 60261.

It is an arithmetic number, because the mean of its divisors is an integer number (200263118).

Almost surely, 2^1201280151 is an apocalyptic number.

1201280151 is a deficient number, since it is larger than the sum of its proper divisors (400824793).

1201280151 is an equidigital number, since it uses as much as digits as its factorization.

1201280151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99521.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 1201280151 is about 34659.4886142309. The cubic root of 1201280151 is about 1063.0363136200.

The spelling of 1201280151 in words is "one billion, two hundred one million, two hundred eighty thousand, one hundred fifty-one".