1027402542 has 48 divisors (see below), whose sum is σ = 2430005760. Its totient is φ = 324439992.

The previous prime is 1027402471. The next prime is 1027402547. The reversal of 1027402542 is 2452047201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027402547) 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 23 ways as a sum of consecutive naturals, for example, 46398 + ... + 64865.

It is an arithmetic number, because the mean of its divisors is an integer number (50625120).

Almost surely, 2^1027402542 is an apocalyptic number.

1027402542 is an abundant number, since it is smaller than the sum of its proper divisors (1402603218).

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

1027402542 is a wasteful number, since it uses less digits than its factorization.

1027402542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111299 (or 111287 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 1027402542 is about 32053.1206281073. The cubic root of 1027402542 is about 1009.0519948205.

Adding to 1027402542 its reverse (2452047201), we get a palindrome (3479449743).

The spelling of 1027402542 in words is "one billion, twenty-seven million, four hundred two thousand, five hundred forty-two".