1139121030 has 16 divisors (see below), whose sum is σ = 2733890544. Its totient is φ = 303765600.

The previous prime is 1139121029. The next prime is 1139121031. The reversal of 1139121030 is 301219311.

It is an interprime number because it is at equal distance from previous prime (1139121029) and next prime (1139121031).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1139120988 and 1139121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139121031) 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, 18985321 + ... + 18985380.

It is an arithmetic number, because the mean of its divisors is an integer number (170868159).

Almost surely, 2^1139121030 is an apocalyptic number.

1139121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139121030 is an abundant number, since it is smaller than the sum of its proper divisors (1594769514).

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

1139121030 is a wasteful number, since it uses less digits than its factorization.

1139121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37970711.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1139121030 is about 33750.8670999724. The cubic root of 1139121030 is about 1044.3753751376.

The spelling of 1139121030 in words is "one billion, one hundred thirty-nine million, one hundred twenty-one thousand, thirty".