1351161249 has 8 divisors (see below), whose sum is σ = 1802714592. Its totient is φ = 900191040.

The previous prime is 1351161239. The next prime is 1351161263. The reversal of 1351161249 is 9421611531.

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

It is not a de Polignac number, because 1351161249 - 2¹² = 1351157153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351161239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140347 + ... + 149664.

It is an arithmetic number, because the mean of its divisors is an integer number (225339324).

Almost surely, 2^1351161249 is an apocalyptic number.

It is an amenable number.

1351161249 is a deficient number, since it is larger than the sum of its proper divisors (451553343).

1351161249 is a wasteful number, since it uses less digits than its factorization.

1351161249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291567.

The product of its digits is 6480, while the sum is 33.

The square root of 1351161249 is about 36758.1453422231. The cubic root of 1351161249 is about 1105.5262534317.

The spelling of 1351161249 in words is "one billion, three hundred fifty-one million, one hundred sixty-one thousand, two hundred forty-nine".