1190121036 has 24 divisors (see below), whose sum is σ = 2990560944. Its totient is φ = 366191040.

The previous prime is 1190121007. The next prime is 1190121043. The reversal of 1190121036 is 6301210911.

It is a junction number, because it is equal to n+sod(n) for n = 1190120997 and 1190121015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3814335 + ... + 3814646.

It is an arithmetic number, because the mean of its divisors is an integer number (124606706).

Almost surely, 2^1190121036 is an apocalyptic number.

It is an amenable number.

1190121036 is an abundant number, since it is smaller than the sum of its proper divisors (1800439908).

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

1190121036 is a wasteful number, since it uses less digits than its factorization.

1190121036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629001 (or 7628999 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1190121036 is about 34498.1309058911. The cubic root of 1190121036 is about 1059.7344285449.

Adding to 1190121036 its reverse (6301210911), we get a palindrome (7491331947).

The spelling of 1190121036 in words is "one billion, one hundred ninety million, one hundred twenty-one thousand, thirty-six".