1453121879 has 8 divisors (see below), whose sum is σ = 1639887120. Its totient is φ = 1275467200.

The previous prime is 1453121861. The next prime is 1453121893. The reversal of 1453121879 is 9781213541.

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

It is a cyclic number.

It is not a de Polignac number, because 1453121879 - 2²⁰ = 1452073303 is a prime.

It is a super-2 number, since 2×1453121879² = 4223126390456981282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453121819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277302 + ... + 2277939.

It is an arithmetic number, because the mean of its divisors is an integer number (204985890).

Almost surely, 2^1453121879 is an apocalyptic number.

1453121879 is a deficient number, since it is larger than the sum of its proper divisors (186765241).

1453121879 is a wasteful number, since it uses less digits than its factorization.

1453121879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555281.

The product of its digits is 60480, while the sum is 41.

The square root of 1453121879 is about 38119.8357682716. The cubic root of 1453121879 is about 1132.6629131143.

The spelling of 1453121879 in words is "one billion, four hundred fifty-three million, one hundred twenty-one thousand, eight hundred seventy-nine".