1220150763 has 24 divisors (see below), whose sum is σ = 1957382640. Its totient is φ = 750859200.

The previous prime is 1220150761. The next prime is 1220150779. The reversal of 1220150763 is 3670510221.

It is a happy number.

It is not a de Polignac number, because 1220150763 - 2¹ = 1220150761 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1220150761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129138 + ... + 138263.

It is an arithmetic number, because the mean of its divisors is an integer number (81557610).

Almost surely, 2^1220150763 is an apocalyptic number.

1220150763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1220150763 is a deficient number, since it is larger than the sum of its proper divisors (737231877).

1220150763 is a wasteful number, since it uses less digits than its factorization.

1220150763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267436 (or 267417 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1220150763 is about 34930.6564925425. The cubic root of 1220150763 is about 1068.5737432943.

Adding to 1220150763 its reverse (3670510221), we get a palindrome (4890660984).

The spelling of 1220150763 in words is "one billion, two hundred twenty million, one hundred fifty thousand, seven hundred sixty-three".