1127399904 has 96 divisors (see below), whose sum is σ = 3358333440. Its totient is φ = 367790976.

The previous prime is 1127399893. The next prime is 1127399921. The reversal of 1127399904 is 4099937211.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 1127399904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26727 + ... + 54489.

It is an arithmetic number, because the mean of its divisors is an integer number (34982640).

Almost surely, 2^1127399904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1127399904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679166720).

1127399904 is an abundant number, since it is smaller than the sum of its proper divisors (2230933536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1127399904 is a wasteful number, since it uses less digits than its factorization.

1127399904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27829 (or 27815 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1127399904 is about 33576.7762597900. The cubic root of 1127399904 is about 1040.7809420389.

The spelling of 1127399904 in words is "one billion, one hundred twenty-seven million, three hundred ninety-nine thousand, nine hundred four".