1151029121 has 8 divisors (see below), whose sum is σ = 1286294688. Its totient is φ = 1020868000.

The previous prime is 1151029093. The next prime is 1151029123. The reversal of 1151029121 is 1219201511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151029121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151029123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275635 + ... + 1276536.

It is an arithmetic number, because the mean of its divisors is an integer number (160786836).

Almost surely, 2^1151029121 is an apocalyptic number.

1151029121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1151029121 is a deficient number, since it is larger than the sum of its proper divisors (135265567).

1151029121 is a wasteful number, since it uses less digits than its factorization.

1151029121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552223.

The product of its (nonzero) digits is 180, while the sum is 23.

The square root of 1151029121 is about 33926.8200838216. The cubic root of 1151029121 is about 1048.0019815363.

The spelling of 1151029121 in words is "one billion, one hundred fifty-one million, twenty-nine thousand, one hundred twenty-one".