1228877950 has 24 divisors (see below), whose sum is σ = 2291181480. Its totient is φ = 490375200.

The previous prime is 1228877941. The next prime is 1228877959. The reversal of 1228877950 is 597788221.

It is an interprime number because it is at equal distance from previous prime (1228877941) and next prime (1228877959).

It is a junction number, because it is equal to n+sod(n) for n = 1228877894 and 1228877903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228877959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8140 + ... + 50239.

It is an arithmetic number, because the mean of its divisors is an integer number (95465895).

Almost surely, 2^1228877950 is an apocalyptic number.

1228877950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228877950 is a deficient number, since it is larger than the sum of its proper divisors (1062303530).

1228877950 is a wasteful number, since it uses less digits than its factorization.

1228877950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58812 (or 58807 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 1228877950 is about 35055.3555109629. The cubic root of 1228877950 is about 1071.1153682196.

The spelling of 1228877950 in words is "one billion, two hundred twenty-eight million, eight hundred seventy-seven thousand, nine hundred fifty".