148121400 has 96 divisors (see below), whose sum is σ = 524787840. Its totient is φ = 33855360.

The previous prime is 148121399. The next prime is 148121401. The reversal of 148121400 is 4121841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (148121399) and next prime (148121401).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148121401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13434 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (5466540).

Almost surely, 2^148121400 is an apocalyptic number.

148121400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148121400 is an abundant number, since it is smaller than the sum of its proper divisors (376666440).

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

148121400 is a wasteful number, since it uses less digits than its factorization.

148121400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35293 (or 35284 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 148121400 is about 12170.5135470941. The cubic root of 148121400 is about 529.1018370438.

The spelling of 148121400 in words is "one hundred forty-eight million, one hundred twenty-one thousand, four hundred".