1146126381 has 8 divisors (see below), whose sum is σ = 1528443840. Its totient is φ = 763946592.

The previous prime is 1146126361. The next prime is 1146126413. The reversal of 1146126381 is 1836216411.

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

It is not a de Polignac number, because 1146126381 - 2²⁵ = 1112571949 is a prime.

It is a super-2 number, since 2×1146126381² = 2627211362448314322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146126361) 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, 13105 + ... + 49638.

It is an arithmetic number, because the mean of its divisors is an integer number (191055480).

Almost surely, 2^1146126381 is an apocalyptic number.

It is an amenable number.

1146126381 is a deficient number, since it is larger than the sum of its proper divisors (382317459).

1146126381 is an equidigital number, since it uses as much as digits as its factorization.

1146126381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68835.

The product of its digits is 6912, while the sum is 33.

The square root of 1146126381 is about 33854.4883434974. The cubic root of 1146126381 is about 1046.5118965419.

The spelling of 1146126381 in words is "one billion, one hundred forty-six million, one hundred twenty-six thousand, three hundred eighty-one".