1051427340 has 36 divisors (see below), whose sum is σ = 3189330144. Its totient is φ = 280380576.

The previous prime is 1051427327. The next prime is 1051427347. The reversal of 1051427340 is 437241501.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1051427340² = 2210998902598951200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051427347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2920452 + ... + 2920811.

It is an arithmetic number, because the mean of its divisors is an integer number (88592504).

Almost surely, 2^1051427340 is an apocalyptic number.

1051427340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051427340 is an abundant number, since it is smaller than the sum of its proper divisors (2137902804).

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

1051427340 is a wasteful number, since it uses less digits than its factorization.

1051427340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841278 (or 5841273 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1051427340 is about 32425.7203466631. The cubic root of 1051427340 is about 1016.8567016738.

Adding to 1051427340 its reverse (437241501), we get a palindrome (1488668841).

The spelling of 1051427340 in words is "one billion, fifty-one million, four hundred twenty-seven thousand, three hundred forty".