1061388051 has 8 divisors (see below), whose sum is σ = 1489667520. Its totient is φ = 670350312.

The previous prime is 1061388037. The next prime is 1061388059. The reversal of 1061388051 is 1508831601.

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

It is not a de Polignac number, because 1061388051 - 2⁵ = 1061388019 is a prime.

It is a super-3 number, since 3×1061388051³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1061388059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9310365 + ... + 9310478.

It is an arithmetic number, because the mean of its divisors is an integer number (186208440).

Almost surely, 2^1061388051 is an apocalyptic number.

1061388051 is a deficient number, since it is larger than the sum of its proper divisors (428279469).

1061388051 is a wasteful number, since it uses less digits than its factorization.

1061388051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18620865.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1061388051 is about 32578.9510420455. The cubic root of 1061388051 is about 1020.0576832046.

The spelling of 1061388051 in words is "one billion, sixty-one million, three hundred eighty-eight thousand, fifty-one".