1051201798 has 16 divisors (see below), whose sum is σ = 1650572640. Its totient is φ = 501155776.

The previous prime is 1051201759. The next prime is 1051201807. The reversal of 1051201798 is 8971021501.

It is a happy number.

It is a super-2 number, since 2×1051201798² = 2210050440236865608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21463 + ... + 50626.

It is an arithmetic number, because the mean of its divisors is an integer number (103160790).

Almost surely, 2^1051201798 is an apocalyptic number.

1051201798 is a deficient number, since it is larger than the sum of its proper divisors (599370842).

1051201798 is a wasteful number, since it uses less digits than its factorization.

1051201798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72431.

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 1051201798 is about 32422.2423345456. The cubic root of 1051201798 is about 1016.7839877270.

The spelling of 1051201798 in words is "one billion, fifty-one million, two hundred one thousand, seven hundred ninety-eight".