1121454029 has 2 divisors, whose sum is σ = 1121454030. Its totient is φ = 1121454028.

The previous prime is 1121454007. The next prime is 1121454067. The reversal of 1121454029 is 9204541211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794676100 + 326777929 = 28190^2 + 18077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121454029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121453992 and 1121454010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121451029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560727014 + 560727015.

It is an arithmetic number, because the mean of its divisors is an integer number (560727015).

Almost surely, 2^1121454029 is an apocalyptic number.

It is an amenable number.

1121454029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121454029 is an equidigital number, since it uses as much as digits as its factorization.

1121454029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1121454029 is about 33488.1177285317. The cubic root of 1121454029 is about 1038.9480329956.

The spelling of 1121454029 in words is "one billion, one hundred twenty-one million, four hundred fifty-four thousand, twenty-nine".