1051712378 has 8 divisors (see below), whose sum is σ = 1670366772. Its totient is φ = 494923456.

The previous prime is 1051712341. The next prime is 1051712411. The reversal of 1051712378 is 8732171501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 955613569 + 96098809 = 30913^2 + 9803^2 .

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

It is a super-2 number, since 2×1051712378² = 2212197852076829768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15466325 + ... + 15466392.

Almost surely, 2^1051712378 is an apocalyptic number.

1051712378 is a deficient number, since it is larger than the sum of its proper divisors (618654394).

1051712378 is a wasteful number, since it uses less digits than its factorization.

1051712378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30932736.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 1051712378 is about 32430.1152942755. The cubic root of 1051712378 is about 1016.9485820481.

Adding to 1051712378 its reverse (8732171501), we get a palindrome (9783883879).

The spelling of 1051712378 in words is "one billion, fifty-one million, seven hundred twelve thousand, three hundred seventy-eight".