1048146121 has 4 divisors (see below), whose sum is σ = 1143432144. Its totient is φ = 952860100.

The previous prime is 1048146119. The next prime is 1048146149. The reversal of 1048146121 is 1216418401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1048146121 - 2¹ = 1048146119 is a prime.

It is a super-2 number, since 2×1048146121² = 2197220581934693282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1048146121.

It is not an unprimeable number, because it can be changed into a prime (1048146221) 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 3 ways as a sum of consecutive naturals, for example, 47642995 + ... + 47643016.

It is an arithmetic number, because the mean of its divisors is an integer number (285858036).

Almost surely, 2^1048146121 is an apocalyptic number.

1048146121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1048146121 is a deficient number, since it is larger than the sum of its proper divisors (95286023).

1048146121 is an equidigital number, since it uses as much as digits as its factorization.

1048146121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95286022.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1048146121 is about 32375.0848801976. The cubic root of 1048146121 is about 1015.7978216056.

The spelling of 1048146121 in words is "one billion, forty-eight million, one hundred forty-six thousand, one hundred twenty-one".