1030121192 has 8 divisors (see below), whose sum is σ = 1931477250. Its totient is φ = 515060592.

The previous prime is 1030121167. The next prime is 1030121237. The reversal of 1030121192 is 2911210301.

It can be written as a sum of positive squares in only one way, i.e., 940894276 + 89226916 = 30674^2 + 9446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1030121192² = 2122299340415001728, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 64382567 + ... + 64382582.

Almost surely, 2^1030121192 is an apocalyptic number.

It is an amenable number.

1030121192 is a deficient number, since it is larger than the sum of its proper divisors (901356058).

1030121192 is a wasteful number, since it uses less digits than its factorization.

1030121192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128765155 (or 128765151 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1030121192 is about 32095.5011177579. The cubic root of 1030121192 is about 1009.9412415577.

Adding to 1030121192 its reverse (2911210301), we get a palindrome (3941331493).

The spelling of 1030121192 in words is "one billion, thirty million, one hundred twenty-one thousand, one hundred ninety-two".