1420102142 has 16 divisors (see below), whose sum is σ = 2272986960. Its totient is φ = 663463872.

The previous prime is 1420102141. The next prime is 1420102153. The reversal of 1420102142 is 2412010241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420102142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420102141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253193 + ... + 258740.

It is an arithmetic number, because the mean of its divisors is an integer number (142061685).

Almost surely, 2^1420102142 is an apocalyptic number.

1420102142 is a deficient number, since it is larger than the sum of its proper divisors (852884818).

1420102142 is a wasteful number, since it uses less digits than its factorization.

1420102142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512027.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1420102142 is about 37684.2426220828. The cubic root of 1420102142 is about 1124.0178138918.

Adding to 1420102142 its reverse (2412010241), we get a palindrome (3832112383).

The spelling of 1420102142 in words is "one billion, four hundred twenty million, one hundred two thousand, one hundred forty-two".