1129212368 has 10 divisors (see below), whose sum is σ = 2187848994. Its totient is φ = 564606176.

The previous prime is 1129212349. The next prime is 1129212397. The reversal of 1129212368 is 8632129211.

It can be written as a sum of positive squares in only one way, i.e., 622602304 + 506610064 = 24952^2 + 22508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35287871 + ... + 35287902.

Almost surely, 2^1129212368 is an apocalyptic number.

It is an amenable number.

1129212368 is a deficient number, since it is larger than the sum of its proper divisors (1058636626).

1129212368 is an equidigital number, since it uses as much as digits as its factorization.

1129212368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70575781 (or 70575775 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 1129212368 is about 33603.7552663389. The cubic root of 1129212368 is about 1041.3383804439.

The spelling of 1129212368 in words is "one billion, one hundred twenty-nine million, two hundred twelve thousand, three hundred sixty-eight".