1220667151 has 8 divisors (see below), whose sum is σ = 1333497600. Its totient is φ = 1108146840.

The previous prime is 1220667131. The next prime is 1220667181. The reversal of 1220667151 is 1517660221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220667151 - 2⁹ = 1220666639 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 (1220667131) 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, 69261 + ... + 85078.

It is an arithmetic number, because the mean of its divisors is an integer number (166687200).

Almost surely, 2^1220667151 is an apocalyptic number.

1220667151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220667151 is a deficient number, since it is larger than the sum of its proper divisors (112830449).

1220667151 is a wasteful number, since it uses less digits than its factorization.

1220667151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155069.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1220667151 is about 34938.0473266609. The cubic root of 1220667151 is about 1068.7244680653.

The spelling of 1220667151 in words is "one billion, two hundred twenty million, six hundred sixty-seven thousand, one hundred fifty-one".