1129216351 has 2 divisors, whose sum is σ = 1129216352. Its totient is φ = 1129216350.

The previous prime is 1129216343. The next prime is 1129216391. The reversal of 1129216351 is 1536129211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1129216351 - 2³ = 1129216343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1129216331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564608175 + 564608176.

It is an arithmetic number, because the mean of its divisors is an integer number (564608176).

Almost surely, 2^1129216351 is an apocalyptic number.

1129216351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129216351 is an equidigital number, since it uses as much as digits as its factorization.

1129216351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 31.

The square root of 1129216351 is about 33603.8145304964. The cubic root of 1129216351 is about 1041.3396047917.

The spelling of 1129216351 in words is "one billion, one hundred twenty-nine million, two hundred sixteen thousand, three hundred fifty-one".