1420051542 has 64 divisors (see below), whose sum is σ = 3503291904. Its totient is φ = 373685760.

The previous prime is 1420051537. The next prime is 1420051637. The reversal of 1420051542 is 2451500241.

It is a super-3 number, since 3×1420051542³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265438 + ... + 270734.

It is an arithmetic number, because the mean of its divisors is an integer number (54738936).

Almost surely, 2^1420051542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420051542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751645952).

1420051542 is an abundant number, since it is smaller than the sum of its proper divisors (2083240362).

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

1420051542 is a wasteful number, since it uses less digits than its factorization.

1420051542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1420051542 is about 37683.5712479590. The cubic root of 1420051542 is about 1124.0044636838.

Adding to 1420051542 its reverse (2451500241), we get a palindrome (3871551783).

The spelling of 1420051542 in words is "one billion, four hundred twenty million, fifty-one thousand, five hundred forty-two".