1122778950 has 24 divisors (see below), whose sum is σ = 2784492168. Its totient is φ = 299407680.

The previous prime is 1122778939. The next prime is 1122779003. The reversal of 1122778950 is 598772211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3742447 + ... + 3742746.

It is an arithmetic number, because the mean of its divisors is an integer number (116020507).

Almost surely, 2^1122778950 is an apocalyptic number.

1122778950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122778950 is an abundant number, since it is smaller than the sum of its proper divisors (1661713218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122778950 is a wasteful number, since it uses less digits than its factorization.

1122778950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485208 (or 7485203 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1122778950 is about 33507.8938460775. The cubic root of 1122778950 is about 1039.3570205829.

The spelling of 1122778950 in words is "one billion, one hundred twenty-two million, seven hundred seventy-eight thousand, nine hundred fifty".