1128701952 has 280 divisors, whose sum is σ = 3869533536. Its totient is φ = 322486272.

The previous prime is 1128701933. The next prime is 1128701957. The reversal of 1128701952 is 2591078211.

It is a happy number.

It is a super-2 number, since 2×1128701952² = 2547936192897220608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1128701957) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 161243133 + ... + 161243139.

Almost surely, 2^1128701952 is an apocalyptic number.

1128701952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128701952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934766768).

1128701952 is an abundant number, since it is smaller than the sum of its proper divisors (2740831584).

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

1128701952 is an frugal number, since it uses more digits than its factorization.

1128701952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1128701952 is about 33596.1597805463. The cubic root of 1128701952 is about 1041.1814581237.

The spelling of 1128701952 in words is "one billion, one hundred twenty-eight million, seven hundred one thousand, nine hundred fifty-two".