1076448149 has 4 divisors (see below), whose sum is σ = 1230226464. Its totient is φ = 922669836.

The previous prime is 1076448137. The next prime is 1076448157. The reversal of 1076448149 is 9418446701.

It is a happy number.

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 1076448149 - 2⁴ = 1076448133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1076448169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76889147 + ... + 76889160.

It is an arithmetic number, because the mean of its divisors is an integer number (307556616).

Almost surely, 2^1076448149 is an apocalyptic number.

It is an amenable number.

1076448149 is a deficient number, since it is larger than the sum of its proper divisors (153778315).

1076448149 is an equidigital number, since it uses as much as digits as its factorization.

1076448149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153778314.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1076448149 is about 32809.2692542824. The cubic root of 1076448149 is about 1024.8595957594.

The spelling of 1076448149 in words is "one billion, seventy-six million, four hundred forty-eight thousand, one hundred forty-nine".